Index (Mahout Math 0.6 API)

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A

ABS - Static variable in class org.apache.mahout.math.function.Functions: Function that returns Math.abs(a).
AbstractContinousDistribution - Class in org.apache.mahout.math.jet.random: Abstract base class for all continuous distributions.
AbstractContinousDistribution() - Constructor for class org.apache.mahout.math.jet.random.AbstractContinousDistribution
AbstractDiscreteDistribution - Class in org.apache.mahout.math.jet.random: Abstract base class for all discrete distributions.
AbstractDiscreteDistribution() - Constructor for class org.apache.mahout.math.jet.random.AbstractDiscreteDistribution: Makes this class non instantiable, but still let's others inherit from it.
AbstractDistribution - Class in org.apache.mahout.math.jet.random
AbstractDistribution() - Constructor for class org.apache.mahout.math.jet.random.AbstractDistribution: Makes this class non instantiable, but still let's others inherit from it.
AbstractMatrix - Class in org.apache.mahout.math: A few universal implementations of convenience functions
AbstractMatrix(int, int) - Constructor for class org.apache.mahout.math.AbstractMatrix
AbstractMatrix - Class in org.apache.mahout.math.matrix.impl: Deprecated. until unit tests are in place. Until this time, this class/interface is unsupported.
AbstractMatrix() - Constructor for class org.apache.mahout.math.matrix.impl.AbstractMatrix: Deprecated. Makes this class non instantiable, but still let's others inherit from it.
AbstractMatrix.TransposeViewVector - Class in org.apache.mahout.math
AbstractMatrix.TransposeViewVector(Matrix, int) - Constructor for class org.apache.mahout.math.AbstractMatrix.TransposeViewVector
AbstractMatrix.TransposeViewVector(Matrix, int, boolean) - Constructor for class org.apache.mahout.math.AbstractMatrix.TransposeViewVector
AbstractMatrix1D - Class in org.apache.mahout.math.matrix.impl: Deprecated. until unit tests are in place. Until this time, this class/interface is unsupported.
AbstractMatrix1D() - Constructor for class org.apache.mahout.math.matrix.impl.AbstractMatrix1D: Deprecated. Makes this class non instantiable, but still let's others inherit from it.
AbstractMatrix2D - Class in org.apache.mahout.math.matrix.impl: Deprecated. until unit tests are in place. Until this time, this class/interface is unsupported.
AbstractMatrix2D() - Constructor for class org.apache.mahout.math.matrix.impl.AbstractMatrix2D: Deprecated. Makes this class non instantiable, but still let's others inherit from it.
AbstractVector - Class in org.apache.mahout.math: Implementations of generic capabilities like sum of elements and dot products
AbstractVector(int) - Constructor for class org.apache.mahout.math.AbstractVector
AbstractVector.LocalElement - Class in org.apache.mahout.math
ACOS - Static variable in class org.apache.mahout.math.function.Functions: Function that returns Math.acos(a).
add(double, double) - Method in class org.apache.mahout.math.stats.OnlineExponentialAverage
add(double) - Method in class org.apache.mahout.math.stats.OnlineSummarizer
addAll(Vector) - Method in class org.apache.mahout.math.DenseVector
aggregate(DoubleDoubleFunction, DoubleFunction) - Method in class org.apache.mahout.math.AbstractMatrix: Collects the results of a function applied to each element of a matrix and then aggregated.
aggregate(DoubleDoubleFunction, DoubleFunction) - Method in class org.apache.mahout.math.AbstractVector
aggregate(Vector, DoubleDoubleFunction, DoubleDoubleFunction) - Method in class org.apache.mahout.math.AbstractVector
aggregate(DoubleDoubleFunction, DoubleFunction) - Method in interface org.apache.mahout.math.Matrix: Collects the results of a function applied to each element of a matrix and then aggregated.
aggregate(DoubleDoubleFunction, DoubleFunction) - Method in class org.apache.mahout.math.matrix.DoubleMatrix1D: Deprecated. Applies a function to each cell and aggregates the results.
aggregate(DoubleMatrix1D, DoubleDoubleFunction, DoubleDoubleFunction) - Method in class org.apache.mahout.math.matrix.DoubleMatrix1D: Deprecated. Applies a function to each corresponding cell of two matrices and aggregates the results.
aggregate(DoubleDoubleFunction, DoubleFunction) - Method in class org.apache.mahout.math.matrix.DoubleMatrix2D: Deprecated. Applies a function to each cell and aggregates the results.
aggregate(DoubleMatrix2D, DoubleDoubleFunction, DoubleDoubleFunction) - Method in class org.apache.mahout.math.matrix.DoubleMatrix2D: Deprecated. Applies a function to each corresponding cell of two matrices and aggregates the results.
aggregate(DoubleDoubleFunction, DoubleFunction) - Method in class org.apache.mahout.math.NamedVector
aggregate(Vector, DoubleDoubleFunction, DoubleDoubleFunction) - Method in class org.apache.mahout.math.NamedVector
aggregate(DoubleDoubleFunction, DoubleFunction) - Method in interface org.apache.mahout.math.Vector: Examples speak louder than words: aggregate(plus, pow(2)) is another way to say getLengthSquared(), aggregate(max, abs) is norm(Double.POSITIVE_INFINITY).
aggregate(Vector, DoubleDoubleFunction, DoubleDoubleFunction) - Method in interface org.apache.mahout.math.Vector: Generalized inner product - take two vectors, iterate over them both, using the combiner to combine together (and possibly map in some way) each pair of values, which are then aggregated with the previous accumulated value in the combiner.
aggregateColumns(VectorFunction) - Method in class org.apache.mahout.math.AbstractMatrix: Collects the results of a function applied to each column of a matrix.
aggregateColumns(VectorFunction) - Method in interface org.apache.mahout.math.Matrix: Collects the results of a function applied to each column of a matrix.
aggregateRows(VectorFunction) - Method in class org.apache.mahout.math.AbstractMatrix: Collects the results of a function applied to each row of a matrix.
aggregateRows(VectorFunction) - Method in interface org.apache.mahout.math.Matrix: Collects the results of a function applied to each row of a matrix.
Algebra - Class in org.apache.mahout.math
AlternatingLeastSquaresSolver - Class in org.apache.mahout.math.als: See this paper.
AlternatingLeastSquaresSolver() - Constructor for class org.apache.mahout.math.als.AlternatingLeastSquaresSolver
apply(double, double) - Method in interface org.apache.mahout.math.function.DoubleDoubleFunction: Apply the function to the arguments and return the result
apply(double) - Method in interface org.apache.mahout.math.function.DoubleFunction: Apply the function to the argument and return the result
apply(int) - Method in interface org.apache.mahout.math.function.IntFunction: Applies a function to an argument.
apply(int, int, double) - Method in interface org.apache.mahout.math.function.IntIntDoubleFunction: Applies a function to three arguments.
apply(double) - Method in class org.apache.mahout.math.function.Mult: Returns the result of the function evaluation.
apply(double, double) - Method in class org.apache.mahout.math.function.PlusMult: Returns the result of the function evaluation.
apply(double) - Method in class org.apache.mahout.math.function.SquareRootFunction
apply(double, double) - Method in class org.apache.mahout.math.function.TimesFunction: Computes the product of two numbers.
apply(Vector) - Method in interface org.apache.mahout.math.function.VectorFunction
apply(double) - Method in class org.apache.mahout.math.jet.random.AbstractDistribution: Equivalent to nextDouble().
apply(int) - Method in class org.apache.mahout.math.jet.random.AbstractDistribution: Equivalent to nextInt().
apply(double) - Method in class org.apache.mahout.math.jet.random.engine.RandomEngine: Equivalent to raw().
apply(int) - Method in class org.apache.mahout.math.jet.random.engine.RandomEngine: Equivalent to nextInt().
Arithmetic - Class in org.apache.mahout.math.jet.math: Arithmetic functions.
asFormatString() - Method in class org.apache.mahout.math.AbstractMatrix
asFormatString() - Method in class org.apache.mahout.math.AbstractVector
asFormatString() - Method in interface org.apache.mahout.math.Matrix
asFormatString() - Method in class org.apache.mahout.math.NamedVector
asFormatString() - Method in interface org.apache.mahout.math.Vector
ASIN - Static variable in class org.apache.mahout.math.function.Functions: Function that returns Math.asin(a).
assign(double) - Method in class org.apache.mahout.math.AbstractMatrix
assign(double[][]) - Method in class org.apache.mahout.math.AbstractMatrix
assign(Matrix, DoubleDoubleFunction) - Method in class org.apache.mahout.math.AbstractMatrix
assign(Matrix) - Method in class org.apache.mahout.math.AbstractMatrix
assign(DoubleFunction) - Method in class org.apache.mahout.math.AbstractMatrix
assign(double) - Method in class org.apache.mahout.math.AbstractVector
assign(double[]) - Method in class org.apache.mahout.math.AbstractVector
assign(Vector) - Method in class org.apache.mahout.math.AbstractVector
assign(DoubleDoubleFunction, double) - Method in class org.apache.mahout.math.AbstractVector
assign(DoubleFunction) - Method in class org.apache.mahout.math.AbstractVector
assign(Vector, DoubleDoubleFunction) - Method in class org.apache.mahout.math.AbstractVector
assign(double) - Method in class org.apache.mahout.math.DenseMatrix
assign(DenseMatrix) - Method in class org.apache.mahout.math.DenseMatrix
assign(double) - Method in class org.apache.mahout.math.DenseVector
assign(Vector, DoubleDoubleFunction) - Method in class org.apache.mahout.math.DenseVector
assign(DenseVector) - Method in class org.apache.mahout.math.DenseVector
assign(double) - Method in interface org.apache.mahout.math.Matrix: Assign the value to all elements of the receiver
assign(double[][]) - Method in interface org.apache.mahout.math.Matrix: Assign the values to the receiver
assign(Matrix) - Method in interface org.apache.mahout.math.Matrix: Assign the other vector values to the receiver
assign(DoubleFunction) - Method in interface org.apache.mahout.math.Matrix: Apply the function to each element of the receiver
assign(Matrix, DoubleDoubleFunction) - Method in interface org.apache.mahout.math.Matrix: Apply the function to each element of the receiver and the corresponding element of the other argument
assign(double[]) - Method in class org.apache.mahout.math.matrix.DoubleMatrix1D: Deprecated. Sets all cells to the state specified by values.
assign(double) - Method in class org.apache.mahout.math.matrix.DoubleMatrix1D: Deprecated. Sets all cells to the state specified by value.
assign(DoubleFunction) - Method in class org.apache.mahout.math.matrix.DoubleMatrix1D: Deprecated. Assigns the result of a function to each cell; x[i] = function(x[i]).
assign(DoubleMatrix1D) - Method in class org.apache.mahout.math.matrix.DoubleMatrix1D: Deprecated. Replaces all cell values of the receiver with the values of another matrix.
assign(DoubleMatrix1D, DoubleDoubleFunction) - Method in class org.apache.mahout.math.matrix.DoubleMatrix1D: Deprecated. Assigns the result of a function to each cell; x[i] = function(x[i],y[i]).
assign(DoubleMatrix1D, DoubleDoubleFunction, IntArrayList) - Method in class org.apache.mahout.math.matrix.DoubleMatrix1D: Deprecated. Assigns the result of a function to each cell; x[i] = function(x[i],y[i]).
assign(double[][]) - Method in class org.apache.mahout.math.matrix.DoubleMatrix2D: Deprecated. Sets all cells to the state specified by values.
assign(double) - Method in class org.apache.mahout.math.matrix.DoubleMatrix2D: Deprecated. Sets all cells to the state specified by value.
assign(DoubleFunction) - Method in class org.apache.mahout.math.matrix.DoubleMatrix2D: Deprecated. Assigns the result of a function to each cell; x[row,col] = function(x[row,col]).
assign(DoubleMatrix2D) - Method in class org.apache.mahout.math.matrix.DoubleMatrix2D: Deprecated. Replaces all cell values of the receiver with the values of another matrix.
assign(DoubleMatrix2D, DoubleDoubleFunction) - Method in class org.apache.mahout.math.matrix.DoubleMatrix2D: Deprecated. Assigns the result of a function to each cell; x[row,col] = function(x[row,col],y[row,col]).
assign(double[]) - Method in class org.apache.mahout.math.matrix.impl.DenseDoubleMatrix1D: Deprecated. Sets all cells to the state specified by values.
assign(double) - Method in class org.apache.mahout.math.matrix.impl.DenseDoubleMatrix1D: Deprecated. Sets all cells to the state specified by value.
assign(DoubleFunction) - Method in class org.apache.mahout.math.matrix.impl.DenseDoubleMatrix1D: Deprecated. Assigns the result of a function to each cell; x[i] = function(x[i]).
assign(DoubleMatrix1D) - Method in class org.apache.mahout.math.matrix.impl.DenseDoubleMatrix1D: Deprecated. Replaces all cell values of the receiver with the values of another matrix.
assign(DoubleMatrix1D, DoubleDoubleFunction) - Method in class org.apache.mahout.math.matrix.impl.DenseDoubleMatrix1D: Deprecated. Assigns the result of a function to each cell; x[i] = function(x[i],y[i]).
assign(double[][]) - Method in class org.apache.mahout.math.matrix.impl.DenseDoubleMatrix2D: Deprecated. Sets all cells to the state specified by values.
assign(double) - Method in class org.apache.mahout.math.matrix.impl.DenseDoubleMatrix2D: Deprecated. Sets all cells to the state specified by value.
assign(DoubleFunction) - Method in class org.apache.mahout.math.matrix.impl.DenseDoubleMatrix2D: Deprecated. Assigns the result of a function to each cell; x[row,col] = function(x[row,col]).
assign(DoubleMatrix2D) - Method in class org.apache.mahout.math.matrix.impl.DenseDoubleMatrix2D: Deprecated. Replaces all cell values of the receiver with the values of another matrix.
assign(DoubleMatrix2D, DoubleDoubleFunction) - Method in class org.apache.mahout.math.matrix.impl.DenseDoubleMatrix2D: Deprecated. Assigns the result of a function to each cell; x[row,col] = function(x[row,col],y[row,col]).
assign(double) - Method in class org.apache.mahout.math.matrix.impl.SparseDoubleMatrix1D: Deprecated. Sets all cells to the state specified by value.
assign(double) - Method in class org.apache.mahout.math.matrix.impl.SparseDoubleMatrix2D: Deprecated. Sets all cells to the state specified by value.
assign(DoubleFunction) - Method in class org.apache.mahout.math.matrix.impl.SparseDoubleMatrix2D: Deprecated. Assigns the result of a function to each cell; x[row,col] = function(x[row,col]).
assign(DoubleMatrix2D) - Method in class org.apache.mahout.math.matrix.impl.SparseDoubleMatrix2D: Deprecated. Replaces all cell values of the receiver with the values of another matrix.
assign(DoubleMatrix2D, DoubleDoubleFunction) - Method in class org.apache.mahout.math.matrix.impl.SparseDoubleMatrix2D: Deprecated.
assign(double) - Method in class org.apache.mahout.math.NamedVector
assign(double[]) - Method in class org.apache.mahout.math.NamedVector
assign(Vector) - Method in class org.apache.mahout.math.NamedVector
assign(DoubleFunction) - Method in class org.apache.mahout.math.NamedVector
assign(Vector, DoubleDoubleFunction) - Method in class org.apache.mahout.math.NamedVector
assign(DoubleDoubleFunction, double) - Method in class org.apache.mahout.math.NamedVector
assign(Vector) - Method in class org.apache.mahout.math.RandomAccessSparseVector
assign(Vector) - Method in class org.apache.mahout.math.SequentialAccessSparseVector
assign(double) - Method in interface org.apache.mahout.math.Vector: Assign the value to all elements of the receiver
assign(double[]) - Method in interface org.apache.mahout.math.Vector: Assign the values to the receiver
assign(Vector) - Method in interface org.apache.mahout.math.Vector: Assign the other vector values to the receiver
assign(DoubleFunction) - Method in interface org.apache.mahout.math.Vector: Apply the function to each element of the receiver
assign(Vector, DoubleDoubleFunction) - Method in interface org.apache.mahout.math.Vector: Apply the function to each element of the receiver and the corresponding element of the other argument
assign(DoubleDoubleFunction, double) - Method in interface org.apache.mahout.math.Vector: Apply the function to each element of the receiver, using the y value as the second argument of the DoubleDoubleFunction
assignColumn(int, Vector) - Method in class org.apache.mahout.math.DenseMatrix
assignColumn(int, Vector) - Method in class org.apache.mahout.math.DiagonalMatrix
assignColumn(int, Vector) - Method in interface org.apache.mahout.math.Matrix: Assign the other vector values to the column of the receiver
assignColumn(int, Vector) - Method in class org.apache.mahout.math.MatrixView
assignColumn(int, Vector) - Method in class org.apache.mahout.math.PivotedMatrix: Assign the other vector values to the column of the receiver
assignColumn(int, Vector) - Method in class org.apache.mahout.math.RandomTrinaryMatrix
assignColumn(int, Vector) - Method in class org.apache.mahout.math.SparseColumnMatrix
assignColumn(int, Vector) - Method in class org.apache.mahout.math.SparseMatrix
assignColumn(int, Vector) - Method in class org.apache.mahout.math.SparseRowMatrix
assignRow(int, Vector) - Method in class org.apache.mahout.math.DenseMatrix
assignRow(int, Vector) - Method in class org.apache.mahout.math.DiagonalMatrix: Assign the other vector values to the row of the receiver
assignRow(int, Vector) - Method in interface org.apache.mahout.math.Matrix: Assign the other vector values to the row of the receiver
assignRow(int, Vector) - Method in class org.apache.mahout.math.MatrixView
assignRow(int, Vector) - Method in class org.apache.mahout.math.PivotedMatrix: Assign the other vector values to the row of the receiver
assignRow(int, Vector) - Method in class org.apache.mahout.math.RandomTrinaryMatrix
assignRow(int, Vector) - Method in class org.apache.mahout.math.SparseColumnMatrix
assignRow(int, Vector) - Method in class org.apache.mahout.math.SparseMatrix
assignRow(int, Vector) - Method in class org.apache.mahout.math.SparseRowMatrix
AsyncEigenVerifier - Class in org.apache.mahout.math.decomposer
AsyncEigenVerifier() - Constructor for class org.apache.mahout.math.decomposer.AsyncEigenVerifier
ATAN - Static variable in class org.apache.mahout.math.function.Functions: Function that returns Math.atan(a).
ATAN2 - Static variable in class org.apache.mahout.math.function.Functions: Function that returns Math.atan2(a,b).

B

basis - Variable in class org.apache.mahout.math.decomposer.lanczos.LanczosState
beta(double, double) - Static method in class org.apache.mahout.math.jet.stat.Gamma: Returns the beta function of the arguments.
beta(double, double, double) - Static method in class org.apache.mahout.math.jet.stat.Probability: Returns the area from zero to x under the beta density function.
between(double, double) - Static method in class org.apache.mahout.math.function.Functions: Constructs a function that returns (from<=a && a<=to) ? 1 : 0.
BIG - Static variable in class org.apache.mahout.math.jet.math.Constants
BIG_INVERSE - Static variable in class org.apache.mahout.math.jet.math.Constants
bindArg1(DoubleDoubleFunction, double) - Static method in class org.apache.mahout.math.function.Functions: Constructs a unary function from a binary function with the first operand (argument) fixed to the given constant c.
bindArg2(DoubleDoubleFunction, double) - Static method in class org.apache.mahout.math.function.Functions: Constructs a unary function from a binary function with the second operand (argument) fixed to the given constant c.
binomial(long, long) - Static method in class org.apache.mahout.math.jet.math.Arithmetic: Efficiently returns the binomial coefficient, often also referred to as "n over k" or "n choose k".

C

calculateScaleFactor(Vector) - Method in class org.apache.mahout.math.decomposer.lanczos.LanczosSolver
cardinality() - Method in class org.apache.mahout.math.matrix.DoubleMatrix1D: Deprecated. Returns the number of cells having non-zero values; ignores tolerance.
cardinality(int) - Method in class org.apache.mahout.math.matrix.DoubleMatrix1D: Deprecated. Returns the number of cells having non-zero values, but at most maxCardinality; ignores tolerance.
cardinality() - Method in class org.apache.mahout.math.matrix.DoubleMatrix2D: Deprecated. Returns the number of cells having non-zero values; ignores tolerance.
cardinality(int) - Method in class org.apache.mahout.math.matrix.impl.DenseDoubleMatrix1D: Deprecated. Returns the number of cells having non-zero values, but at most maxCardinality; ignores tolerance.
cardinality() - Method in class org.apache.mahout.math.matrix.impl.SparseDoubleMatrix1D: Deprecated. Returns the number of cells having non-zero values.
cardinality() - Method in class org.apache.mahout.math.matrix.impl.SparseDoubleMatrix2D: Deprecated. Returns the number of cells having non-zero values.
CardinalityException - Exception in org.apache.mahout.math: Exception thrown when there is a cardinality mismatch in matrix or vector operations.
CardinalityException(int, int) - Constructor for exception org.apache.mahout.math.CardinalityException
cdf(double) - Method in class org.apache.mahout.math.jet.random.AbstractContinousDistribution
cdf(double) - Method in class org.apache.mahout.math.jet.random.Exponential: Returns the cumulative distribution function.
cdf(double) - Method in class org.apache.mahout.math.jet.random.Gamma: Returns the cumulative distribution function.
cdf(int) - Method in class org.apache.mahout.math.jet.random.NegativeBinomial: Returns the cumulative distribution function.
cdf(double) - Method in class org.apache.mahout.math.jet.random.Normal: Returns the cumulative distribution function.
cdf(double) - Method in class org.apache.mahout.math.jet.random.Uniform: Returns the cumulative distribution function (assuming a continous uniform distribution).
CEIL - Static variable in class org.apache.mahout.math.function.Functions: Function that returns Math.ceil(a).
chain(DoubleDoubleFunction, DoubleFunction, DoubleFunction) - Static method in class org.apache.mahout.math.function.Functions: Constructs the function f( g(a), h(b) ).
chain(DoubleFunction, DoubleDoubleFunction) - Static method in class org.apache.mahout.math.function.Functions: Constructs the function g( h(a,b) ).
chain(DoubleFunction, DoubleFunction) - Static method in class org.apache.mahout.math.function.Functions: Constructs the function g( h(a) ).
checkBox(int, int, int, int) - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix2D: Deprecated. Checks whether the receiver contains the given box and throws an exception, if necessary.
checkColumn(int) - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix2D: Deprecated. Sanity check for operations requiring a column index to be within bounds.
checkColumnIndexes(int[]) - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix2D: Deprecated. Checks whether indexes are legal and throws an exception, if necessary.
checkIndex(int) - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix1D: Deprecated. Sanity check for operations requiring an index to be within bounds.
checkRange(int, int) - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix1D: Deprecated. Checks whether the receiver contains the given range and throws an exception, if necessary.
checkRectangular(AbstractMatrix2D) - Static method in class org.apache.mahout.math.matrix.linalg.Property: Deprecated. Checks whether the given matrix A is rectangular.
checkRow(int) - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix2D: Deprecated. Sanity check for operations requiring a row index to be within bounds.
checkRowIndexes(int[]) - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix2D: Deprecated. Checks whether indexes are legal and throws an exception, if necessary.
checkShape(AbstractMatrix2D) - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix2D: Deprecated. Sanity check for operations requiring two matrices with the same number of columns and rows.
checkSize(AbstractMatrix1D) - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix1D: Deprecated. Sanity check for operations requiring two matrices with the same size.
checkSquare(AbstractMatrix2D) - Static method in class org.apache.mahout.math.matrix.linalg.Property: Deprecated. Checks whether the given matrix A is square.
checkSquare(Matrix) - Static method in class org.apache.mahout.math.matrix.linalg.Property: Deprecated.
CholeskyDecomposition - Class in org.apache.mahout.math: Cholesky decomposition shamelessly ported from JAMA.
CholeskyDecomposition(Matrix) - Constructor for class org.apache.mahout.math.CholeskyDecomposition
CholeskyDecomposition(Matrix, boolean) - Constructor for class org.apache.mahout.math.CholeskyDecomposition
clone() - Method in class org.apache.mahout.math.AbstractMatrix
clone() - Method in class org.apache.mahout.math.AbstractMatrix.TransposeViewVector
clone() - Method in class org.apache.mahout.math.AbstractVector
clone() - Method in class org.apache.mahout.math.DenseMatrix
clone() - Method in class org.apache.mahout.math.DenseVector
clone() - Method in interface org.apache.mahout.math.Matrix: Return a copy of the recipient
clone() - Method in class org.apache.mahout.math.MatrixVectorView
clone() - Method in class org.apache.mahout.math.MatrixView
clone() - Method in class org.apache.mahout.math.NamedVector
clone() - Method in class org.apache.mahout.math.RandomAccessSparseVector
clone() - Method in class org.apache.mahout.math.SequentialAccessSparseVector
clone() - Method in class org.apache.mahout.math.SparseColumnMatrix
clone() - Method in class org.apache.mahout.math.SparseMatrix
clone() - Method in class org.apache.mahout.math.SparseRowMatrix
clone() - Method in interface org.apache.mahout.math.Vector: Return a copy of the recipient
clone() - Method in class org.apache.mahout.math.VectorView
COL - Static variable in class org.apache.mahout.math.AbstractMatrix
columnLabelBindings - Variable in class org.apache.mahout.math.AbstractMatrix
columnOffset(int) - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix2D: Deprecated. Returns the position of the given absolute rank within the (virtual or non-virtual) internal 1-dimensional array.
columnRank(int) - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix2D: Deprecated. Returns the absolute rank of the given relative rank.
columns - Variable in class org.apache.mahout.math.AbstractMatrix
columns - Variable in class org.apache.mahout.math.matrix.impl.AbstractMatrix2D: Deprecated. the number of colums and rows this matrix (view) has
columns() - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix2D: Deprecated. Returns the number of columns.
columnSize() - Method in class org.apache.mahout.math.AbstractMatrix
columnSize() - Method in interface org.apache.mahout.math.Matrix
columnStride - Variable in class org.apache.mahout.math.matrix.impl.AbstractMatrix2D: Deprecated. the number of elements between two columns, i.e.
columnUnpivot(int) - Method in class org.apache.mahout.math.PivotedMatrix
columnZero - Variable in class org.apache.mahout.math.matrix.impl.AbstractMatrix2D: Deprecated.
COMPARE - Static variable in class org.apache.mahout.math.function.Functions: Function that returns a < b ? -1 : a > b ? 1 : 0.
compare(double) - Static method in class org.apache.mahout.math.function.Functions: Constructs a function that returns a < b ? -1 : a > b ? 1 : 0.
compareFrequencies(Multiset<T>, Multiset<T>, int, double) - Static method in class org.apache.mahout.math.stats.LogLikelihood: Compares two sets of counts to see which items are interestingly over-represented in the first set.
computeNext() - Method in class org.apache.mahout.math.VectorView.AllIterator
computeNext() - Method in class org.apache.mahout.math.VectorView.NonZeroIterator
cond() - Method in class org.apache.mahout.math.SingularValueDecomposition: Returns the two norm condition number, which is max(S) / min(S).
confidence(double) - Method in class org.apache.mahout.math.als.ImplicitFeedbackAlternatingLeastSquaresSolver
ConjugateGradientSolver - Class in org.apache.mahout.math.solver: Implementation of a conjugate gradient iterative solver for linear systems.
ConjugateGradientSolver() - Constructor for class org.apache.mahout.math.solver.ConjugateGradientSolver
constant(double) - Static method in class org.apache.mahout.math.function.Functions: Constructs a function that returns the constant c.
Constants - Class in org.apache.mahout.math.jet.math: Defines some useful constants.
ConstantVector - Class in org.apache.mahout.math: Implements a vector with all the same values.
ConstantVector(double, int) - Constructor for class org.apache.mahout.math.ConstantVector
copy() - Method in class org.apache.mahout.math.matrix.DoubleMatrix1D: Deprecated. Constructs and returns a deep copy of the receiver.
copy() - Method in class org.apache.mahout.math.matrix.DoubleMatrix2D: Deprecated. Constructs and returns a deep copy of the receiver.
corpus - Variable in class org.apache.mahout.math.decomposer.lanczos.LanczosState
COS - Static variable in class org.apache.mahout.math.function.Functions: Function that returns Math.cos(a).
cross(Vector) - Method in class org.apache.mahout.math.AbstractVector
cross(Vector) - Method in class org.apache.mahout.math.NamedVector
cross(Vector) - Method in interface org.apache.mahout.math.Vector: Return the cross product of the receiver and the other vector
currentTrainingProjection() - Method in class org.apache.mahout.math.decomposer.hebbian.TrainingState

D

DEFAULT - Static variable in class org.apache.mahout.math.matrix.linalg.Property: Deprecated. The default Property object; currently has tolerance()==1.0E-9.
DEFAULT_MAX_ERROR - Static variable in class org.apache.mahout.math.solver.ConjugateGradientSolver
DenseDoubleMatrix1D - Class in org.apache.mahout.math.matrix.impl: Deprecated. until unit tests are in place. Until this time, this class/interface is unsupported.
DenseDoubleMatrix1D(double[]) - Constructor for class org.apache.mahout.math.matrix.impl.DenseDoubleMatrix1D: Deprecated. Constructs a matrix with a copy of the given values.
DenseDoubleMatrix1D(int) - Constructor for class org.apache.mahout.math.matrix.impl.DenseDoubleMatrix1D: Deprecated. Constructs a matrix with a given number of cells.
DenseDoubleMatrix1D(int, double[], int, int) - Constructor for class org.apache.mahout.math.matrix.impl.DenseDoubleMatrix1D: Deprecated. Constructs a matrix view with the given parameters.
DenseDoubleMatrix2D - Class in org.apache.mahout.math.matrix.impl: Deprecated. until unit tests are in place. Until this time, this class/interface is unsupported.
DenseDoubleMatrix2D(double[][]) - Constructor for class org.apache.mahout.math.matrix.impl.DenseDoubleMatrix2D: Deprecated. Constructs a matrix with a copy of the given values.
DenseDoubleMatrix2D(int, int) - Constructor for class org.apache.mahout.math.matrix.impl.DenseDoubleMatrix2D: Deprecated. Constructs a matrix with a given number of rows and columns.
DenseMatrix - Class in org.apache.mahout.math: Matrix of doubles implemented using a 2-d array
DenseMatrix(double[][]) - Constructor for class org.apache.mahout.math.DenseMatrix: Construct a matrix from the given values
DenseMatrix(int, int) - Constructor for class org.apache.mahout.math.DenseMatrix: Constructs an empty matrix of the given size.
DenseVector - Class in org.apache.mahout.math: Implements vector as an array of doubles
DenseVector() - Constructor for class org.apache.mahout.math.DenseVector: For serialization purposes only
DenseVector(double[]) - Constructor for class org.apache.mahout.math.DenseVector: Construct a new instance using provided values
DenseVector(double[], boolean) - Constructor for class org.apache.mahout.math.DenseVector
DenseVector(DenseVector, boolean) - Constructor for class org.apache.mahout.math.DenseVector
DenseVector(int) - Constructor for class org.apache.mahout.math.DenseVector: Construct a new instance of the given cardinality
DenseVector(Vector) - Constructor for class org.apache.mahout.math.DenseVector: Copy-constructor (for use in turning a sparse vector into a dense one, for example)
density(DoubleMatrix2D) - Static method in class org.apache.mahout.math.matrix.linalg.Property: Deprecated. Returns the matrix's fraction of non-zero cells; A.cardinality() / A.size().
desiredRank - Variable in class org.apache.mahout.math.decomposer.lanczos.LanczosState
determinant() - Method in class org.apache.mahout.math.AbstractMatrix
determinant() - Method in interface org.apache.mahout.math.Matrix: Returns matrix determinator using Laplace theorem
DevURandomSeedGenerator - Class in org.apache.mahout.common: RNG seed strategy that gets data from /dev/urandom on systems that provide it (e.g.
DevURandomSeedGenerator() - Constructor for class org.apache.mahout.common.DevURandomSeedGenerator
diagonalMatrix - Variable in class org.apache.mahout.math.decomposer.lanczos.LanczosState
DiagonalMatrix - Class in org.apache.mahout.math
DiagonalMatrix(Vector) - Constructor for class org.apache.mahout.math.DiagonalMatrix
DiagonalMatrix(Matrix) - Constructor for class org.apache.mahout.math.DiagonalMatrix
DiagonalMatrix(double, int) - Constructor for class org.apache.mahout.math.DiagonalMatrix
DiagonalMatrix(double[]) - Constructor for class org.apache.mahout.math.DiagonalMatrix
DIV - Static variable in class org.apache.mahout.math.function.Functions: Function that returns a / b.
div(double) - Static method in class org.apache.mahout.math.function.Functions: Constructs a function that returns a / b.
div(double) - Static method in class org.apache.mahout.math.function.Mult: a / constant.
divide(double) - Method in class org.apache.mahout.math.AbstractMatrix
divide(double) - Method in class org.apache.mahout.math.AbstractVector
divide(double) - Method in interface org.apache.mahout.math.Matrix: Return a new matrix containing the values of the recipient divided by the argument
divide(double) - Method in class org.apache.mahout.math.NamedVector
divide(double) - Method in interface org.apache.mahout.math.Vector: Return a new vector containing the values of the recipient divided by the argument
dot(Vector) - Method in class org.apache.mahout.math.AbstractVector
dot(Vector) - Method in class org.apache.mahout.math.NamedVector
dot(Vector) - Method in interface org.apache.mahout.math.Vector: Return the dot product of the recipient and the argument
dotSelf() - Method in class org.apache.mahout.math.AbstractVector
dotSelf() - Method in class org.apache.mahout.math.DenseVector
DoubleDoubleFunction - Interface in org.apache.mahout.math.function: Interface that represents a function object: a function that takes two arguments and returns a single value.
DoubleFunction - Interface in org.apache.mahout.math.function: Interface that represents a function object: a function that takes a single argument and returns a single value.
DoubleMatrix1D - Class in org.apache.mahout.math.matrix: Deprecated. until unit tests are in place. Until this time, this class/interface is unsupported.
DoubleMatrix1D() - Constructor for class org.apache.mahout.math.matrix.DoubleMatrix1D: Deprecated. Makes this class non instantiable, but still let's others inherit from it.
DoubleMatrix2D - Class in org.apache.mahout.math.matrix: Deprecated. until unit tests are in place. Until this time, this class/interface is unsupported.
DoubleMatrix2D() - Constructor for class org.apache.mahout.math.matrix.DoubleMatrix2D: Deprecated. Makes this class non instantiable, but still let's others inherit from it.

E

EigenSolverWrapper - Class in org.apache.mahout.math.ssvd: wraps appropriate eigen solver for BBt matrix.
EigenSolverWrapper(double[][]) - Constructor for class org.apache.mahout.math.ssvd.EigenSolverWrapper
EigenStatus - Class in org.apache.mahout.math.decomposer
EigenStatus(double, double) - Constructor for class org.apache.mahout.math.decomposer.EigenStatus
EigenStatus(double, double, boolean) - Constructor for class org.apache.mahout.math.decomposer.EigenStatus
EigenUpdater - Interface in org.apache.mahout.math.decomposer.hebbian
EigenvalueDecomposition - Class in org.apache.mahout.math.matrix.linalg: Deprecated. until unit tests are in place. Until this time, this class/interface is unsupported.
EigenvalueDecomposition(double[][]) - Constructor for class org.apache.mahout.math.matrix.linalg.EigenvalueDecomposition: Deprecated.
EigenvalueDecomposition(Matrix) - Constructor for class org.apache.mahout.math.matrix.linalg.EigenvalueDecomposition: Deprecated.
EigenvalueDecomposition(DoubleMatrix2D) - Constructor for class org.apache.mahout.math.matrix.linalg.EigenvalueDecomposition: Deprecated. Constructs and returns a new eigenvalue decomposition object; The decomposed matrices can be retrieved via instance methods of the returned decomposition object.
elements - Variable in class org.apache.mahout.math.matrix.impl.DenseDoubleMatrix1D: Deprecated. The elements of this matrix.
ensureCapacity(int) - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix: Deprecated. Ensures that the receiver can hold at least the specified number of non-zero (non-null) cells without needing to allocate new internal memory.
ensureCapacity(int) - Method in class org.apache.mahout.math.matrix.impl.SparseDoubleMatrix1D: Deprecated. Ensures that the receiver can hold at least the specified number of non-zero cells without needing to allocate new internal memory.
ensureCapacity(int) - Method in class org.apache.mahout.math.matrix.impl.SparseDoubleMatrix2D: Deprecated. Ensures that the receiver can hold at least the specified number of non-zero cells without needing to allocate new internal memory.
entropy(long...) - Static method in class org.apache.mahout.math.stats.LogLikelihood: Calculates the unnormalized Shannon entropy.
equals(Object) - Method in class org.apache.mahout.math.AbstractVector: Determines whether this Vector represents the same logical vector as another object.
equals(Object) - Method in class org.apache.mahout.math.DenseVector
EQUALS - Static variable in class org.apache.mahout.math.function.Functions: Function that returns a == b ? 1 : 0.
equals(double) - Static method in class org.apache.mahout.math.function.Functions: Constructs a function that returns a == b ? 1 : 0.
equals(double) - Method in class org.apache.mahout.math.matrix.DoubleMatrix1D: Deprecated. Returns whether all cells are equal to the given value.
equals(Object) - Method in class org.apache.mahout.math.matrix.DoubleMatrix1D: Deprecated. Compares this object against the specified object.
equals(double) - Method in class org.apache.mahout.math.matrix.DoubleMatrix2D: Deprecated. Returns whether all cells are equal to the given value.
equals(Object) - Method in class org.apache.mahout.math.matrix.DoubleMatrix2D: Deprecated. Compares this object against the specified object.
equals(DoubleMatrix1D, double) - Method in class org.apache.mahout.math.matrix.linalg.Property: Deprecated. Returns whether all cells of the given matrix A are equal to the given value.
equals(DoubleMatrix1D, DoubleMatrix1D) - Method in class org.apache.mahout.math.matrix.linalg.Property: Deprecated. Returns whether both given matrices A and B are equal.
equals(DoubleMatrix2D, double) - Method in class org.apache.mahout.math.matrix.linalg.Property: Deprecated. Returns whether all cells of the given matrix A are equal to the given value.
equals(DoubleMatrix2D, DoubleMatrix2D) - Method in class org.apache.mahout.math.matrix.linalg.Property: Deprecated. Returns whether both given matrices A and B are equal.
equals(Object) - Method in class org.apache.mahout.math.NamedVector: To not break transitivity with other Vectors, this does not compare name.
EXP - Static variable in class org.apache.mahout.math.function.Functions: Function that returns Math.exp(a).
Exponential - Class in org.apache.mahout.math.jet.random
Exponential(double, Random) - Constructor for class org.apache.mahout.math.jet.random.Exponential: Provides a negative exponential distribution given a rate parameter lambda and an underlying random number generator.

F

FastRandomSeedGenerator - Class in org.apache.mahout.common: Implements an uncommons math compatible generator that avoids /dev/random's tendency to block due to entropy underflow.
FastRandomSeedGenerator() - Constructor for class org.apache.mahout.common.FastRandomSeedGenerator
FLOOR - Static variable in class org.apache.mahout.math.function.Functions: Function that returns Math.floor(a).
forEachNonZero(IntIntDoubleFunction) - Method in class org.apache.mahout.math.matrix.DoubleMatrix2D: Deprecated. Assigns the result of a function to each non-zero cell; x[row,col] = function(x[row,col]).
forEachNonZero(IntIntDoubleFunction) - Method in class org.apache.mahout.math.matrix.impl.SparseDoubleMatrix2D: Deprecated.
Functions - Class in org.apache.mahout.math.function: Function objects to be passed to generic methods.

G

Gamma - Class in org.apache.mahout.math.jet.random
Gamma(double, double, Random) - Constructor for class org.apache.mahout.math.jet.random.Gamma: Constructs a Gamma distribution with a given shape (alpha) and rate (beta).
Gamma - Class in org.apache.mahout.math.jet.stat: Partially deprecated until unit tests are in place.
gamma(double) - Static method in class org.apache.mahout.math.jet.stat.Gamma: Returns the Gamma function of the argument.
gamma(double, double, double) - Static method in class org.apache.mahout.math.jet.stat.Probability: Returns the integral from zero to x of the gamma probability density function.
generateSeed(int) - Method in class org.apache.mahout.common.DevURandomSeedGenerator
generateSeed(int) - Method in class org.apache.mahout.common.FastRandomSeedGenerator: Generate a seed value for a random number generator.
GenericPermuting - Class in org.apache.mahout.math: Deprecated. until unit tests are in place. Until this time, this class/interface is unsupported.
get(String, String) - Method in class org.apache.mahout.math.AbstractMatrix
get(int, int) - Method in class org.apache.mahout.math.AbstractMatrix
get(int) - Method in class org.apache.mahout.math.AbstractVector
get() - Method in class org.apache.mahout.math.AbstractVector.LocalElement
get(int) - Method in class org.apache.mahout.math.matrix.DoubleMatrix1D: Deprecated. Returns the matrix cell value at coordinate index.
get(int, int) - Method in class org.apache.mahout.math.matrix.DoubleMatrix2D: Deprecated. Returns the matrix cell value at coordinate [row,column].
get(int, int) - Method in interface org.apache.mahout.math.Matrix: Return the value at the given indexes
get(String, String) - Method in interface org.apache.mahout.math.Matrix: Return the value at the given labels
get(int) - Method in class org.apache.mahout.math.NamedVector
get() - Method in interface org.apache.mahout.math.Vector.Element
get(int) - Method in interface org.apache.mahout.math.Vector: Return the value at the given index
getActivationDenominatorSquared() - Method in class org.apache.mahout.math.decomposer.hebbian.TrainingState
getActivationNumerator() - Method in class org.apache.mahout.math.decomposer.hebbian.TrainingState
getANorm() - Method in class org.apache.mahout.math.solver.LSMR
getAtolerance() - Method in class org.apache.mahout.math.solver.LSMR
getBase() - Method in class org.apache.mahout.math.PivotedMatrix
getBasisSize() - Method in class org.apache.mahout.math.decomposer.lanczos.LanczosState
getBasisVector(int) - Method in class org.apache.mahout.math.decomposer.lanczos.LanczosState
getBtolerance() - Method in class org.apache.mahout.math.solver.LSMR
getColumnLabelBindings() - Method in class org.apache.mahout.math.AbstractMatrix
getColumnLabelBindings() - Method in interface org.apache.mahout.math.Matrix: Return a map of the current column label bindings of the receiver
getColumnPivot() - Method in class org.apache.mahout.math.PivotedMatrix
getCondition() - Method in class org.apache.mahout.math.solver.LSMR
getContent() - Method in class org.apache.mahout.math.matrix.DoubleMatrix1D: Deprecated. Returns the content of this matrix if it is a wrapper; or this otherwise.
getContent() - Method in class org.apache.mahout.math.matrix.DoubleMatrix2D: Deprecated. Returns the content of this matrix if it is a wrapper; or this otherwise.
getCorpus() - Method in class org.apache.mahout.math.decomposer.lanczos.LanczosState
getCosAngle() - Method in class org.apache.mahout.math.decomposer.EigenStatus
getCount() - Method in class org.apache.mahout.math.stats.OnlineSummarizer
getCurrentEigens() - Method in class org.apache.mahout.math.decomposer.hebbian.TrainingState
getCurrentEigenValues() - Method in class org.apache.mahout.math.decomposer.hebbian.TrainingState
getD() - Method in class org.apache.mahout.math.matrix.linalg.EigenvalueDecomposition: Deprecated. Returns the block diagonal eigenvalue matrix, D.
getDelegate() - Method in class org.apache.mahout.math.NamedVector
getDiagonalMatrix() - Method in class org.apache.mahout.math.decomposer.lanczos.LanczosState
getDistanceSquared(Vector) - Method in class org.apache.mahout.math.AbstractVector
getDistanceSquared(Vector) - Method in class org.apache.mahout.math.NamedVector
getDistanceSquared(Vector) - Method in interface org.apache.mahout.math.Vector: Get the square of the distance between this vector and the other vector.
getDistanceSquared(Vector) - Method in class org.apache.mahout.math.VectorView
getEigenValue() - Method in class org.apache.mahout.math.decomposer.EigenStatus
getEigenValues() - Method in class org.apache.mahout.math.ssvd.EigenSolverWrapper
getElement(int) - Method in class org.apache.mahout.math.AbstractMatrix.TransposeViewVector
getElement(int) - Method in class org.apache.mahout.math.AbstractVector
getElement(int) - Method in class org.apache.mahout.math.NamedVector
getElement(int) - Method in interface org.apache.mahout.math.Vector: Return an object of Vector.Element representing an element of this Vector.
getHelperVector() - Method in class org.apache.mahout.math.decomposer.hebbian.TrainingState
getImagEigenvalues() - Method in class org.apache.mahout.math.matrix.linalg.EigenvalueDecomposition: Deprecated. Returns the imaginary parts of the eigenvalues.
getInverseColumnPivot() - Method in class org.apache.mahout.math.PivotedMatrix
getInversePivot() - Method in class org.apache.mahout.math.CholeskyDecomposition
getInverseRowPivot() - Method in class org.apache.mahout.math.PivotedMatrix
getItem() - Method in class org.apache.mahout.math.stats.LogLikelihood.ScoredItem
getIterationCount() - Method in class org.apache.mahout.math.solver.LSMR
getIterationNumber() - Method in class org.apache.mahout.math.decomposer.lanczos.LanczosState
getIterations() - Method in class org.apache.mahout.math.solver.ConjugateGradientSolver: Returns the number of iterations run once the solver is complete.
getL() - Method in class org.apache.mahout.math.CholeskyDecomposition
getLambda() - Method in class org.apache.mahout.math.solver.LSMR
getLengthSquared() - Method in class org.apache.mahout.math.AbstractVector
getLengthSquared() - Method in class org.apache.mahout.math.DenseVector
getLengthSquared() - Method in class org.apache.mahout.math.NamedVector
getLengthSquared() - Method in interface org.apache.mahout.math.Vector: Return the sum of squares of all elements in the vector.
getLengthSquared() - Method in class org.apache.mahout.math.VectorView
getMax() - Method in class org.apache.mahout.math.stats.OnlineSummarizer
getMean() - Method in class org.apache.mahout.math.stats.OnlineSummarizer
getMedian() - Method in class org.apache.mahout.math.stats.OnlineSummarizer
getMin() - Method in class org.apache.mahout.math.stats.OnlineSummarizer
getMultiplicator() - Method in class org.apache.mahout.math.function.Mult
getMultiplicator() - Method in class org.apache.mahout.math.function.PlusMult
getName() - Method in class org.apache.mahout.math.NamedVector
getNonZeros(IntArrayList, DoubleArrayList) - Method in class org.apache.mahout.math.matrix.DoubleMatrix1D: Deprecated. Fills the coordinates and values of cells having non-zero values into the specified lists.
getNonZeros(IntArrayList, DoubleArrayList, int) - Method in class org.apache.mahout.math.matrix.DoubleMatrix1D: Deprecated. Fills the coordinates and values of cells having non-zero values into the specified lists.
getNorm(Matrix) - Static method in class org.apache.mahout.math.Algebra: Compute Maximum Absolute Row Sum Norm of input Matrix m http://mathworld.wolfram.com/MaximumAbsoluteRowSumNorm.html
getNormalEquationResidual() - Method in class org.apache.mahout.math.solver.LSMR
getNumEigensProcessed() - Method in class org.apache.mahout.math.decomposer.hebbian.TrainingState
getNumNondefaultElements() - Method in class org.apache.mahout.math.AbstractMatrix
getNumNondefaultElements() - Method in class org.apache.mahout.math.AbstractMatrix.TransposeViewVector: TODO: currently I don't know of an efficient way to getVector this value correctly.
getNumNondefaultElements() - Method in class org.apache.mahout.math.ConstantVector: Return the number of values in the recipient
getNumNondefaultElements() - Method in class org.apache.mahout.math.DenseVector
getNumNondefaultElements() - Method in class org.apache.mahout.math.DiagonalMatrix: Return the number of values in the recipient
getNumNondefaultElements() - Method in interface org.apache.mahout.math.Matrix: Return the number of values in the recipient
getNumNondefaultElements() - Method in class org.apache.mahout.math.MatrixVectorView: Return the number of values in the recipient
getNumNondefaultElements() - Method in class org.apache.mahout.math.MatrixView
getNumNondefaultElements() - Method in class org.apache.mahout.math.NamedVector
getNumNondefaultElements() - Method in class org.apache.mahout.math.PermutedVectorView: Return the number of values in the recipient
getNumNondefaultElements() - Method in class org.apache.mahout.math.PivotedMatrix: Return the number of values in the recipient
getNumNondefaultElements() - Method in class org.apache.mahout.math.RandomAccessSparseVector
getNumNondefaultElements() - Method in class org.apache.mahout.math.RandomTrinaryMatrix: Return the number of values in the recipient
getNumNondefaultElements() - Method in class org.apache.mahout.math.SequentialAccessSparseVector
getNumNondefaultElements() - Method in class org.apache.mahout.math.SparseColumnMatrix
getNumNondefaultElements() - Method in class org.apache.mahout.math.SparseMatrix
getNumNondefaultElements() - Method in class org.apache.mahout.math.SparseRowMatrix
getNumNondefaultElements() - Method in interface org.apache.mahout.math.Vector: Return the number of values in the recipient which are not the default value.
getNumNondefaultElements() - Method in class org.apache.mahout.math.VectorView
getPermutedL() - Method in class org.apache.mahout.math.CholeskyDecomposition
getPivot() - Method in class org.apache.mahout.math.CholeskyDecomposition
getQ() - Method in class org.apache.mahout.math.QRDecomposition: Generates and returns the (economy-sized) orthogonal factor Q.
getQuartile(int) - Method in class org.apache.mahout.math.stats.OnlineSummarizer
getQuick(int) - Method in class org.apache.mahout.math.AbstractMatrix.TransposeViewVector
getQuick(int) - Method in class org.apache.mahout.math.ConstantVector: Return the value at the given index, without checking bounds
getQuick(int, int) - Method in class org.apache.mahout.math.DenseMatrix
getQuick(int) - Method in class org.apache.mahout.math.DenseVector
getQuick(int, int) - Method in class org.apache.mahout.math.DiagonalMatrix: Return the value at the given location, without checking bounds
getQuick(int) - Method in class org.apache.mahout.math.matrix.DoubleMatrix1D: Deprecated. Returns the matrix cell value at coordinate index.
getQuick(int, int) - Method in class org.apache.mahout.math.matrix.DoubleMatrix2D: Deprecated. Returns the matrix cell value at coordinate [row,column].
getQuick(int, int) - Method in interface org.apache.mahout.math.Matrix: Return the value at the given indexes, without checking bounds
getQuick(int) - Method in class org.apache.mahout.math.matrix.impl.DenseDoubleMatrix1D: Deprecated. Returns the matrix cell value at coordinate index.
getQuick(int, int) - Method in class org.apache.mahout.math.matrix.impl.DenseDoubleMatrix2D: Deprecated. Returns the matrix cell value at coordinate [row,column].
getQuick(int) - Method in class org.apache.mahout.math.matrix.impl.SparseDoubleMatrix1D: Deprecated. Returns the matrix cell value at coordinate index.
getQuick(int, int) - Method in class org.apache.mahout.math.matrix.impl.SparseDoubleMatrix2D: Deprecated. Returns the matrix cell value at coordinate [row,column].
getQuick(int) - Method in class org.apache.mahout.math.MatrixVectorView: Return the value at the given index, without checking bounds
getQuick(int, int) - Method in class org.apache.mahout.math.MatrixView
getQuick(int) - Method in class org.apache.mahout.math.NamedVector
getQuick(int) - Method in class org.apache.mahout.math.PermutedVectorView: Return the value at the given index, without checking bounds
getQuick(int, int) - Method in class org.apache.mahout.math.PivotedMatrix: Return the value at the given indexes, without checking bounds
getQuick(int) - Method in class org.apache.mahout.math.RandomAccessSparseVector
getQuick(int, int) - Method in class org.apache.mahout.math.RandomTrinaryMatrix: Return the value at the given indexes, without checking bounds
getQuick(int) - Method in class org.apache.mahout.math.SequentialAccessSparseVector
getQuick(int, int) - Method in class org.apache.mahout.math.SparseColumnMatrix
getQuick(int, int) - Method in class org.apache.mahout.math.SparseMatrix
getQuick(int, int) - Method in class org.apache.mahout.math.SparseRowMatrix
getQuick(int) - Method in interface org.apache.mahout.math.Vector: Return the value at the given index, without checking bounds
getQuick(int) - Method in class org.apache.mahout.math.VectorView
getR() - Method in class org.apache.mahout.math.QRDecomposition: Returns the upper triangular factor, R.
getRandom() - Static method in class org.apache.mahout.common.RandomUtils
getRandom(long) - Static method in class org.apache.mahout.common.RandomUtils
getRandom() - Method in class org.apache.mahout.common.RandomWrapper
getRandomGenerator() - Method in class org.apache.mahout.math.jet.random.AbstractDistribution
getRealEigenvalues() - Method in class org.apache.mahout.math.matrix.linalg.EigenvalueDecomposition: Deprecated. Returns the real parts of the eigenvalues.
getResidualNorm() - Method in class org.apache.mahout.math.solver.ConjugateGradientSolver: Returns the norm of the residual at the completion of the solver.
getResidualNorm() - Method in class org.apache.mahout.math.solver.LSMR
getRightSingularVector(int) - Method in class org.apache.mahout.math.decomposer.lanczos.LanczosState
getRowLabelBindings() - Method in class org.apache.mahout.math.AbstractMatrix
getRowLabelBindings() - Method in interface org.apache.mahout.math.Matrix: Return a map of the current row label bindings of the receiver
getRowPivot() - Method in class org.apache.mahout.math.PivotedMatrix
getS() - Method in class org.apache.mahout.math.SingularValueDecomposition
getScaleFactor() - Method in class org.apache.mahout.math.decomposer.lanczos.LanczosState
getScore() - Method in class org.apache.mahout.math.stats.LogLikelihood.ScoredItem
getSD() - Method in class org.apache.mahout.math.stats.OnlineSummarizer
getSeed() - Method in class org.apache.mahout.common.RandomWrapper
getSingularValue(int) - Method in class org.apache.mahout.math.decomposer.lanczos.LanczosState
getSingularValues() - Method in class org.apache.mahout.math.SingularValueDecomposition: Returns the diagonal of S, which is a one-dimensional array of singular values
getSingularValues() - Method in class org.apache.mahout.math.ssvd.SequentialBigSvd
getStatusProgress() - Method in class org.apache.mahout.math.decomposer.hebbian.TrainingState
getTrainingIndex() - Method in class org.apache.mahout.math.decomposer.hebbian.TrainingState
getTrainingProjections() - Method in class org.apache.mahout.math.decomposer.hebbian.TrainingState
getU() - Method in class org.apache.mahout.math.SingularValueDecomposition: Returns the left singular vectors U.
getU() - Method in class org.apache.mahout.math.ssvd.SequentialBigSvd
getUHat() - Method in class org.apache.mahout.math.ssvd.EigenSolverWrapper
getV() - Method in class org.apache.mahout.math.matrix.linalg.EigenvalueDecomposition: Deprecated. Returns the eigenvector matrix, V
getV() - Method in class org.apache.mahout.math.SingularValueDecomposition: Returns the right singular vectors V.
getV() - Method in class org.apache.mahout.math.ssvd.SequentialBigSvd
getXNorm() - Method in class org.apache.mahout.math.solver.LSMR
GREATER - Static variable in class org.apache.mahout.math.function.Functions: Function that returns a > b ? 1 : 0.
greater(double) - Static method in class org.apache.mahout.math.function.Functions: Constructs a function that returns a > b ? 1 : 0.

H

hasFullRank() - Method in class org.apache.mahout.math.QRDecomposition: Returns whether the matrix A has full rank.
hash(byte[], int) - Static method in class org.apache.mahout.math.MurmurHash: Hashes bytes in an array.
hash(byte[], int, int, int) - Static method in class org.apache.mahout.math.MurmurHash: Hashes bytes in part of an array.
hash(ByteBuffer, int) - Static method in class org.apache.mahout.math.MurmurHash: Hashes the bytes in a buffer from the current position to the limit.
hash64A(byte[], int) - Static method in class org.apache.mahout.math.MurmurHash
hash64A(byte[], int, int, int) - Static method in class org.apache.mahout.math.MurmurHash
hash64A(ByteBuffer, int) - Static method in class org.apache.mahout.math.MurmurHash
hashCode() - Method in class org.apache.mahout.math.AbstractVector
hashCode() - Method in class org.apache.mahout.math.NamedVector
hashDouble(double) - Static method in class org.apache.mahout.common.RandomUtils
hashFloat(float) - Static method in class org.apache.mahout.common.RandomUtils
hasNotConverged(Vector, Matrix, TrainingState) - Method in class org.apache.mahout.math.decomposer.hebbian.HebbianSolver: Uses the SingularVectorVerifier to check for convergence
haveSharedCells(DoubleMatrix1D) - Method in class org.apache.mahout.math.matrix.DoubleMatrix1D: Deprecated. Returns true if both matrices share at least one identical cell.
haveSharedCells(DoubleMatrix2D) - Method in class org.apache.mahout.math.matrix.DoubleMatrix2D: Deprecated. Returns true if both matrices share at least one identical cell.
haveSharedCellsRaw(DoubleMatrix1D) - Method in class org.apache.mahout.math.matrix.DoubleMatrix1D: Deprecated. Returns true if both matrices share at least one identical cell.
haveSharedCellsRaw(DoubleMatrix2D) - Method in class org.apache.mahout.math.matrix.DoubleMatrix2D: Deprecated. Returns true if both matrices share at least one identical cell.
haveSharedCellsRaw(DoubleMatrix1D) - Method in class org.apache.mahout.math.matrix.impl.DenseDoubleMatrix1D: Deprecated. Returns true if both matrices share at least one identical cell.
haveSharedCellsRaw(DoubleMatrix2D) - Method in class org.apache.mahout.math.matrix.impl.DenseDoubleMatrix2D: Deprecated. Returns true if both matrices share common cells.
haveSharedCellsRaw(DoubleMatrix1D) - Method in class org.apache.mahout.math.matrix.impl.SparseDoubleMatrix1D: Deprecated. Returns true if both matrices share at least one identical cell.
haveSharedCellsRaw(DoubleMatrix2D) - Method in class org.apache.mahout.math.matrix.impl.SparseDoubleMatrix2D: Deprecated. Returns true if both matrices share common cells.
HebbianSolver - Class in org.apache.mahout.math.decomposer.hebbian: The Hebbian solver is an iterative, sparse, singular value decomposition solver, based on the paper Generalized Hebbian Algorithm for Latent Semantic Analysis (2005) by Genevieve Gorrell and Brandyn Webb (a.k.a.
HebbianSolver(EigenUpdater, SingularVectorVerifier, double, int) - Constructor for class org.apache.mahout.math.decomposer.hebbian.HebbianSolver: Creates a new HebbianSolver
HebbianSolver(EigenUpdater, SingularVectorVerifier, double) - Constructor for class org.apache.mahout.math.decomposer.hebbian.HebbianSolver: Creates a new HebbianSolver with maxPassesPerEigen = Integer.MAX_VALUE (i.e.
HebbianSolver(double, int) - Constructor for class org.apache.mahout.math.decomposer.hebbian.HebbianSolver: This is the recommended constructor to use if you're not sure Creates a new HebbianSolver with the default HebbianUpdater to do the updating work, and the default AsyncEigenVerifier to check for convergence in a (single) background thread.
HebbianSolver(double) - Constructor for class org.apache.mahout.math.decomposer.hebbian.HebbianSolver: Creates a new HebbianSolver with the default HebbianUpdater to do the updating work, and the default AsyncEigenVerifier to check for convergence in a (single) background thread, with maxPassesPerEigen set to Integer.MAX_VALUE.
HebbianSolver(int) - Constructor for class org.apache.mahout.math.decomposer.hebbian.HebbianSolver: Creates a new HebbianSolver with the default HebbianUpdater to do the updating work, and the default AsyncEigenVerifier to check for convergence in a (single) background thread, with convergenceTarget set to 0, which means that the solver will not really care about convergence as a loop-exiting criterion (but will be checking for convergence anyways, so it will be logged and singular values will be saved).
HebbianUpdater - Class in org.apache.mahout.math.decomposer.hebbian
HebbianUpdater() - Constructor for class org.apache.mahout.math.decomposer.hebbian.HebbianUpdater
hypot(double, double) - Static method in class org.apache.mahout.math.Algebra: Returns sqrt(a^2 + b^2) without under/overflow.

I

identity(int) - Static method in class org.apache.mahout.math.DiagonalMatrix
IDENTITY - Static variable in class org.apache.mahout.math.function.Functions: Function that returns its argument.
identity(int) - Static method in class org.apache.mahout.math.matrix.impl.DenseDoubleMatrix2D: Deprecated. Constructs an identity matrix (having ones on the diagonal and zeros elsewhere).
IEEE_REMAINDER - Static variable in class org.apache.mahout.math.function.Functions: Function that returns Math.IEEEremainder(a,b).
ImplicitFeedbackAlternatingLeastSquaresSolver - Class in org.apache.mahout.math.als: see Collaborative Filtering for Implicit Feedback Datasets
ImplicitFeedbackAlternatingLeastSquaresSolver(int, double, double, OpenIntObjectHashMap) - Constructor for class org.apache.mahout.math.als.ImplicitFeedbackAlternatingLeastSquaresSolver
incompleteBeta(double, double, double) - Static method in class org.apache.mahout.math.jet.stat.Gamma: Returns the regularized Incomplete Beta Function evaluated from zero to xx; formerly named ibeta.
incompleteGamma(double, double) - Static method in class org.apache.mahout.math.jet.stat.Gamma: Returns the Incomplete Gamma function; formerly named igamma.
incompleteGammaComplement(double, double) - Static method in class org.apache.mahout.math.jet.stat.Gamma: Returns the Complemented Incomplete Gamma function; formerly named igamc.
index() - Method in class org.apache.mahout.math.AbstractVector.LocalElement
index(int) - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix1D: Deprecated. Returns the position of the element with the given relative rank within the (virtual or non-virtual) internal 1-dimensional array.
index(int, int) - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix2D: Deprecated. Returns the position of the given coordinate within the (virtual or non-virtual) internal 1-dimensional array.
index(int) - Method in class org.apache.mahout.math.matrix.impl.DenseDoubleMatrix1D: Deprecated. Returns the position of the element with the given relative rank within the (virtual or non-virtual) internal 1-dimensional array.
index(int, int) - Method in class org.apache.mahout.math.matrix.impl.DenseDoubleMatrix2D: Deprecated. Returns the position of the given coordinate within the (virtual or non-virtual) internal 1-dimensional array.
index(int) - Method in class org.apache.mahout.math.matrix.impl.SparseDoubleMatrix1D: Deprecated. Returns the position of the element with the given relative rank within the (virtual or non-virtual) internal 1-dimensional array.
index(int, int) - Method in class org.apache.mahout.math.matrix.impl.SparseDoubleMatrix2D: Deprecated. Returns the position of the given coordinate within the (virtual or non-virtual) internal 1-dimensional array.
index() - Method in class org.apache.mahout.math.MatrixSlice
index() - Method in interface org.apache.mahout.math.Vector.Element
IndexException - Exception in org.apache.mahout.math: Exception thrown when a matrix or vector is accessed at an index, or dimension, which does not logically exist in the entity.
IndexException(int, int) - Constructor for exception org.apache.mahout.math.IndexException
innerVerify(VectorIterable, Vector) - Method in class org.apache.mahout.math.decomposer.AsyncEigenVerifier
inProgress() - Method in class org.apache.mahout.math.decomposer.EigenStatus
IntFunction - Interface in org.apache.mahout.math.function: Interface that represents a function object: a function that takes a single argument and returns a single value.
IntIntDoubleFunction - Interface in org.apache.mahout.math.function: Interface that represents a function object: a function that takes three arguments.
intitializeBasisAndSingularVectors() - Method in class org.apache.mahout.math.decomposer.lanczos.LanczosState
INV - Static variable in class org.apache.mahout.math.function.Functions: Function that returns 1.0 / a.
IS_EQUAL - Static variable in class org.apache.mahout.math.function.Functions: Function that returns a == b.
IS_GREATER - Static variable in class org.apache.mahout.math.function.Functions: Function that returns a > b.
IS_LESS - Static variable in class org.apache.mahout.math.function.Functions: Function that returns a < b.
isBetween(double, double) - Static method in class org.apache.mahout.math.function.Functions: Constructs a function that returns from<=a && a<=to.
isDense() - Method in class org.apache.mahout.math.AbstractMatrix.TransposeViewVector
isDense() - Method in class org.apache.mahout.math.ConstantVector
isDense() - Method in class org.apache.mahout.math.DenseVector
isDense() - Method in class org.apache.mahout.math.MatrixVectorView
isDense() - Method in class org.apache.mahout.math.NamedVector
isDense() - Method in class org.apache.mahout.math.PermutedVectorView
isDense() - Method in class org.apache.mahout.math.RandomAccessSparseVector
isDense() - Method in class org.apache.mahout.math.SequentialAccessSparseVector
isDense() - Method in interface org.apache.mahout.math.Vector
isDense() - Method in class org.apache.mahout.math.VectorView
isDiagonal(DoubleMatrix2D) - Method in class org.apache.mahout.math.matrix.linalg.Property: Deprecated. A matrix A is diagonal if A[i,j] == 0 whenever i != j.
isDiagonallyDominantByColumn(DoubleMatrix2D) - Static method in class org.apache.mahout.math.matrix.linalg.Property: Deprecated. A matrix A is diagonally dominant by column if the absolute value of each diagonal element is larger than the sum of the absolute values of the off-diagonal elements in the corresponding column.
isDiagonallyDominantByRow(DoubleMatrix2D) - Static method in class org.apache.mahout.math.matrix.linalg.Property: Deprecated. A matrix A is diagonally dominant by row if the absolute value of each diagonal element is larger than the sum of the absolute values of the off-diagonal elements in the corresponding row.
isEqual(double) - Static method in class org.apache.mahout.math.function.Functions: Constructs a function that returns a == b.
isFirstPass() - Method in class org.apache.mahout.math.decomposer.hebbian.TrainingState
isGreater(double) - Static method in class org.apache.mahout.math.function.Functions: Constructs a function that returns a > b.
isIdentity(DoubleMatrix2D) - Method in class org.apache.mahout.math.matrix.linalg.Property: Deprecated. A matrix A is an identity matrix if A[i,i] == 1 and all other cells are zero.
isLess(double) - Static method in class org.apache.mahout.math.function.Functions: Constructs a function that returns a < b.
isLowerBidiagonal(DoubleMatrix2D) - Method in class org.apache.mahout.math.matrix.linalg.Property: Deprecated. A matrix A is lower bidiagonal if A[i,j]==0 unless i==j || i==j+1.
isLowerTriangular(DoubleMatrix2D) - Method in class org.apache.mahout.math.matrix.linalg.Property: Deprecated. A matrix A is lower triangular if A[i,j]==0 whenever i < j.
isNonNegative(DoubleMatrix2D) - Static method in class org.apache.mahout.math.matrix.linalg.Property: Deprecated. A matrix A is non-negative if A[i,j] >= 0 holds for all cells.
isNotPrime(int) - Static method in class org.apache.mahout.common.RandomUtils
isNoView - Variable in class org.apache.mahout.math.matrix.impl.AbstractMatrix: Deprecated.
isOrthogonal(DoubleMatrix2D) - Method in class org.apache.mahout.math.matrix.linalg.Property: Deprecated. A square matrix A is orthogonal if A*transpose(A) = I.
isPositive(DoubleMatrix2D) - Static method in class org.apache.mahout.math.matrix.linalg.Property: Deprecated. A matrix A is positive if A[i,j] > 0 holds for all cells.
isPositiveDefinite() - Method in class org.apache.mahout.math.CholeskyDecomposition
isSequentialAccess() - Method in class org.apache.mahout.math.AbstractMatrix.TransposeViewVector
isSequentialAccess() - Method in class org.apache.mahout.math.ConstantVector
isSequentialAccess() - Method in class org.apache.mahout.math.DenseVector
isSequentialAccess() - Method in class org.apache.mahout.math.MatrixVectorView
isSequentialAccess() - Method in class org.apache.mahout.math.NamedVector
isSequentialAccess() - Method in class org.apache.mahout.math.PermutedVectorView
isSequentialAccess() - Method in class org.apache.mahout.math.RandomAccessSparseVector
isSequentialAccess() - Method in class org.apache.mahout.math.SequentialAccessSparseVector
isSequentialAccess() - Method in interface org.apache.mahout.math.Vector
isSequentialAccess() - Method in class org.apache.mahout.math.VectorView
isSkewSymmetric(DoubleMatrix2D) - Method in class org.apache.mahout.math.matrix.linalg.Property: Deprecated. A square matrix A is skew-symmetric if A = -transpose(A), that is A[i,j] == -A[j,i].
isSquare(AbstractMatrix2D) - Static method in class org.apache.mahout.math.matrix.linalg.Property: Deprecated. A matrix A is square if it has the same number of rows and columns.
isStrictlyLowerTriangular(DoubleMatrix2D) - Method in class org.apache.mahout.math.matrix.linalg.Property: Deprecated. A matrix A is strictly lower triangular if A[i,j]==0 whenever i <= j.
isStrictlyTriangular(DoubleMatrix2D) - Method in class org.apache.mahout.math.matrix.linalg.Property: Deprecated. A matrix A is strictly triangular if it is triangular and its diagonal elements all equal 0.
isStrictlyUpperTriangular(DoubleMatrix2D) - Method in class org.apache.mahout.math.matrix.linalg.Property: Deprecated. A matrix A is strictly upper triangular if A[i,j]==0 whenever i >= j.
isSymmetric(DoubleMatrix2D) - Method in class org.apache.mahout.math.matrix.linalg.Property: Deprecated. A matrix A is symmetric if A = tranpose(A), that is A[i,j] == A[j,i].
isTriangular(DoubleMatrix2D) - Method in class org.apache.mahout.math.matrix.linalg.Property: Deprecated. A matrix A is triangular iff it is either upper or lower triangular.
isTridiagonal(DoubleMatrix2D) - Method in class org.apache.mahout.math.matrix.linalg.Property: Deprecated. A matrix A is tridiagonal if A[i,j]==0 whenever Math.abs(i-j) > 1.
isUnitTriangular(DoubleMatrix2D) - Method in class org.apache.mahout.math.matrix.linalg.Property: Deprecated. A matrix A is unit triangular if it is triangular and its diagonal elements all equal 1.
isUpperBidiagonal(DoubleMatrix2D) - Method in class org.apache.mahout.math.matrix.linalg.Property: Deprecated. A matrix A is upper bidiagonal if A[i,j]==0 unless i==j || i==j-1.
isUpperTriangular(DoubleMatrix2D) - Method in class org.apache.mahout.math.matrix.linalg.Property: Deprecated. A matrix A is upper triangular if A[i,j]==0 whenever i > j.
isZero(DoubleMatrix2D) - Method in class org.apache.mahout.math.matrix.linalg.Property: Deprecated. A matrix A is zero if all its cells are zero.
iterateAll() - Method in class org.apache.mahout.math.AbstractMatrix
iterateAll() - Method in interface org.apache.mahout.math.VectorIterable
iterateNonZero() - Method in class org.apache.mahout.math.AbstractMatrix.TransposeViewVector: Currently delegates to AbstractMatrix.TransposeViewVector.iterator().
iterateNonZero() - Method in class org.apache.mahout.math.ConstantVector: Iterates over all non-zero elements.
iterateNonZero() - Method in class org.apache.mahout.math.DenseVector: Returns an iterator that traverses this Vector from 0 to cardinality-1, in that order.
iterateNonZero() - Method in class org.apache.mahout.math.MatrixVectorView: Iterates over all non-zero elements.
iterateNonZero() - Method in class org.apache.mahout.math.NamedVector
iterateNonZero() - Method in class org.apache.mahout.math.PermutedVectorView: Iterates over all non-zero elements.
iterateNonZero() - Method in class org.apache.mahout.math.RandomAccessSparseVector: NOTE: this implementation reuses the Vector.Element instance for each call of next().
iterateNonZero() - Method in class org.apache.mahout.math.SequentialAccessSparseVector
iterateNonZero() - Method in interface org.apache.mahout.math.Vector: Iterates over all non-zero elements.
iterateNonZero() - Method in class org.apache.mahout.math.VectorView
iterationNumber - Variable in class org.apache.mahout.math.decomposer.lanczos.LanczosState
iterator() - Method in class org.apache.mahout.math.AbstractMatrix
iterator() - Method in class org.apache.mahout.math.AbstractMatrix.TransposeViewVector
iterator() - Method in class org.apache.mahout.math.ConstantVector: Iterates over all elements
* NOTE: Implementations may choose to reuse the Element returned for performance reasons, so if you need a copy of it, you should call AbstractVector.getElement(int) for the given index
iterator() - Method in class org.apache.mahout.math.DenseVector
iterator() - Method in class org.apache.mahout.math.MatrixVectorView: Iterates over all elements
* NOTE: Implementations may choose to reuse the Element returned for performance reasons, so if you need a copy of it, you should call AbstractVector.getElement(int) for the given index
iterator() - Method in class org.apache.mahout.math.NamedVector
iterator() - Method in class org.apache.mahout.math.PermutedVectorView: Iterates over all elements
* NOTE: Implementations may choose to reuse the Element returned for performance reasons, so if you need a copy of it, you should call AbstractVector.getElement(int) for the given index
iterator() - Method in class org.apache.mahout.math.RandomAccessSparseVector
iterator() - Method in class org.apache.mahout.math.SequentialAccessSparseVector
iterator() - Method in class org.apache.mahout.math.SparseMatrix
iterator() - Method in interface org.apache.mahout.math.Vector: Iterates over all elements
* NOTE: Implementations may choose to reuse the Element returned for performance reasons, so if you need a copy of it, you should call Vector.getElement(int) for the given index
iterator() - Method in class org.apache.mahout.math.VectorView

J

JacobiConditioner - Class in org.apache.mahout.math.solver: Implements the Jacobi preconditioner for a matrix A.
JacobiConditioner(Matrix) - Constructor for class org.apache.mahout.math.solver.JacobiConditioner

L

LanczosSolver - Class in org.apache.mahout.math.decomposer.lanczos: Simple implementation of the Lanczos algorithm for finding eigenvalues of a symmetric matrix, applied to non-symmetric matrices by applying Matrix.timesSquared(vector) as the "matrix-multiplication" method.
LanczosSolver() - Constructor for class org.apache.mahout.math.decomposer.lanczos.LanczosSolver
LanczosSolver.TimingSection - Enum in org.apache.mahout.math.decomposer.lanczos
LanczosState - Class in org.apache.mahout.math.decomposer.lanczos
LanczosState(VectorIterable, int, Vector) - Constructor for class org.apache.mahout.math.decomposer.lanczos.LanczosState
lengthSquared - Variable in class org.apache.mahout.math.AbstractVector
LESS - Static variable in class org.apache.mahout.math.function.Functions: Function that returns a < b ? 1 : 0.
less(double) - Static method in class org.apache.mahout.math.function.Functions: Constructs a function that returns a < b ? 1 : 0.
LG - Static variable in class org.apache.mahout.math.function.Functions: Function that returns Math.log(a) / Math.log(b).
lg(double) - Static method in class org.apache.mahout.math.function.Functions: Constructs a function that returns Math.log(a) / Math.log(b).
like() - Method in class org.apache.mahout.math.AbstractMatrix.TransposeViewVector
like(int) - Method in class org.apache.mahout.math.AbstractMatrix.TransposeViewVector
like() - Method in class org.apache.mahout.math.ConstantVector: Return an empty vector of the same underlying class as the receiver
like() - Method in class org.apache.mahout.math.DenseMatrix
like(int, int) - Method in class org.apache.mahout.math.DenseMatrix
like() - Method in class org.apache.mahout.math.DenseVector
like() - Method in class org.apache.mahout.math.DiagonalMatrix: Return an empty matrix of the same underlying class as the receiver
like(int, int) - Method in class org.apache.mahout.math.DiagonalMatrix: Returns an empty matrix of the same underlying class as the receiver and of the specified size.
like() - Method in class org.apache.mahout.math.matrix.DoubleMatrix1D: Deprecated. Construct and returns a new empty matrix of the same dynamic type as the receiver, having the same size.
like(int) - Method in class org.apache.mahout.math.matrix.DoubleMatrix1D: Deprecated. Construct and returns a new empty matrix of the same dynamic type as the receiver, having the specified size.
like() - Method in class org.apache.mahout.math.matrix.DoubleMatrix2D: Deprecated. Construct and returns a new empty matrix of the same dynamic type as the receiver, having the same number of rows and columns.
like(int, int) - Method in class org.apache.mahout.math.matrix.DoubleMatrix2D: Deprecated. Construct and returns a new empty matrix of the same dynamic type as the receiver, having the specified number of rows and columns.
like(int) - Method in class org.apache.mahout.math.matrix.impl.DenseDoubleMatrix1D: Deprecated. Construct and returns a new empty matrix of the same dynamic type as the receiver, having the specified size.
like(int, int) - Method in class org.apache.mahout.math.matrix.impl.DenseDoubleMatrix2D: Deprecated. Construct and returns a new empty matrix of the same dynamic type as the receiver, having the specified number of rows and columns.
like(int) - Method in class org.apache.mahout.math.matrix.impl.SparseDoubleMatrix1D: Deprecated. Construct and returns a new empty matrix of the same dynamic type as the receiver, having the specified size.
like(int, int) - Method in class org.apache.mahout.math.matrix.impl.SparseDoubleMatrix2D: Deprecated. Construct and returns a new empty matrix of the same dynamic type as the receiver, having the specified number of rows and columns.
like() - Method in interface org.apache.mahout.math.Matrix: Return an empty matrix of the same underlying class as the receiver
like(int, int) - Method in interface org.apache.mahout.math.Matrix: Returns an empty matrix of the same underlying class as the receiver and of the specified size.
like() - Method in class org.apache.mahout.math.MatrixVectorView: Return an empty vector of the same underlying class as the receiver
like() - Method in class org.apache.mahout.math.MatrixView
like(int, int) - Method in class org.apache.mahout.math.MatrixView
like() - Method in class org.apache.mahout.math.NamedVector
like() - Method in class org.apache.mahout.math.PermutedVectorView: Return an empty vector of the same underlying class as the receiver
like() - Method in class org.apache.mahout.math.PivotedMatrix: Return an empty matrix of the same underlying class as the receiver
like(int, int) - Method in class org.apache.mahout.math.PivotedMatrix: Returns an empty matrix of the same underlying class as the receiver and of the specified size.
like() - Method in class org.apache.mahout.math.RandomAccessSparseVector
like() - Method in class org.apache.mahout.math.RandomTrinaryMatrix: Return an empty matrix of the same underlying class as the receiver
like(int, int) - Method in class org.apache.mahout.math.RandomTrinaryMatrix: Returns an empty matrix of the same underlying class as the receiver and of the specified size.
like() - Method in class org.apache.mahout.math.SequentialAccessSparseVector
like() - Method in class org.apache.mahout.math.SparseColumnMatrix
like(int, int) - Method in class org.apache.mahout.math.SparseColumnMatrix
like() - Method in class org.apache.mahout.math.SparseMatrix
like(int, int) - Method in class org.apache.mahout.math.SparseMatrix
like() - Method in class org.apache.mahout.math.SparseRowMatrix
like(int, int) - Method in class org.apache.mahout.math.SparseRowMatrix
like() - Method in interface org.apache.mahout.math.Vector: Return an empty vector of the same underlying class as the receiver
like() - Method in class org.apache.mahout.math.VectorView
like1D(int) - Method in class org.apache.mahout.math.matrix.DoubleMatrix2D: Deprecated. Construct and returns a new 1-d matrix of the corresponding dynamic type, entirelly independent of the receiver.
like1D(int, int, int) - Method in class org.apache.mahout.math.matrix.DoubleMatrix2D: Deprecated. Construct and returns a new 1-d matrix of the corresponding dynamic type, sharing the same cells.
like1D(int) - Method in class org.apache.mahout.math.matrix.impl.DenseDoubleMatrix2D: Deprecated. Construct and returns a new 1-d matrix of the corresponding dynamic type, entirelly independent of the receiver.
like1D(int, int, int) - Method in class org.apache.mahout.math.matrix.impl.DenseDoubleMatrix2D: Deprecated. Construct and returns a new 1-d matrix of the corresponding dynamic type, sharing the same cells.
like1D(int) - Method in class org.apache.mahout.math.matrix.impl.SparseDoubleMatrix2D: Deprecated. Construct and returns a new 1-d matrix of the corresponding dynamic type, entirelly independent of the receiver.
like1D(int, int, int) - Method in class org.apache.mahout.math.matrix.impl.SparseDoubleMatrix2D: Deprecated. Construct and returns a new 1-d matrix of the corresponding dynamic type, sharing the same cells.
like2D(int, int) - Method in class org.apache.mahout.math.matrix.DoubleMatrix1D: Deprecated. Construct and returns a new 2-d matrix of the corresponding dynamic type, entirelly independent of the receiver.
like2D(int, int) - Method in class org.apache.mahout.math.matrix.impl.DenseDoubleMatrix1D: Deprecated. Construct and returns a new 2-d matrix of the corresponding dynamic type, entirelly independent of the receiver.
like2D(int, int) - Method in class org.apache.mahout.math.matrix.impl.SparseDoubleMatrix1D: Deprecated. Construct and returns a new 2-d matrix of the corresponding dynamic type, entirelly independent of the receiver.
LOG2 - Static variable in class org.apache.mahout.math.function.Functions: Function that returns Math.log(a) / Math.log(2).
LOGARITHM - Static variable in class org.apache.mahout.math.function.Functions: Function that returns Math.log(a).
logFactorial(int) - Static method in class org.apache.mahout.math.jet.math.Arithmetic: Returns log(k!).
logGamma(double) - Static method in class org.apache.mahout.math.jet.random.Gamma: Returns a quick approximation of log(gamma(x)).
logGamma(double) - Static method in class org.apache.mahout.math.jet.stat.Gamma: Returns the natural logarithm of the gamma function; formerly named lgamma.
LogLikelihood - Class in org.apache.mahout.math.stats: Utility methods for working with log-likelihood
LogLikelihood.ScoredItem<T> - Class in org.apache.mahout.math.stats
LogLikelihood.ScoredItem(T, double) - Constructor for class org.apache.mahout.math.stats.LogLikelihood.ScoredItem
logLikelihoodRatio(long, long, long, long) - Static method in class org.apache.mahout.math.stats.LogLikelihood: Calculates the Raw Log-likelihood ratio for two events, call them A and B.
logNormalize() - Method in class org.apache.mahout.math.AbstractVector
logNormalize(double) - Method in class org.apache.mahout.math.AbstractVector
logNormalize(double, double) - Method in class org.apache.mahout.math.AbstractVector
logNormalize() - Method in class org.apache.mahout.math.NamedVector
logNormalize(double) - Method in class org.apache.mahout.math.NamedVector
logNormalize() - Method in interface org.apache.mahout.math.Vector: Return a new vector containing the log(1 + entry)/ L_2 norm values of the recipient
logNormalize(double) - Method in interface org.apache.mahout.math.Vector: Return a new Vector with a normalized value calculated as log_power(1 + entry)/ L_power norm.
LOGPI - Static variable in class org.apache.mahout.math.jet.math.Constants
longSeedtoBytes(long) - Static method in class org.apache.mahout.common.RandomUtils
lowerBandwidth(DoubleMatrix2D) - Method in class org.apache.mahout.math.matrix.linalg.Property: Deprecated. The lower bandwidth of a square matrix A is the maximum i-j for which A[i,j] is nonzero and i > j.
LSMR - Class in org.apache.mahout.math.solver: Solves sparse least-squares using the LSMR algorithm.
LSMR() - Constructor for class org.apache.mahout.math.solver.LSMR: LSMR uses an iterative method to solve a linear system.

M

MACHEP - Static variable in class org.apache.mahout.math.jet.math.Constants
main(String[]) - Static method in class org.apache.mahout.math.decomposer.hebbian.HebbianSolver
mathIEEEremainder(double) - Static method in class org.apache.mahout.math.function.Functions: Constructs a function that returns Math.IEEEremainder(a,b).
Matrix - Interface in org.apache.mahout.math: The basic interface including numerous convenience functions
matrixLike(int, int) - Method in class org.apache.mahout.math.AbstractMatrix.TransposeViewVector
matrixLike(int, int) - Method in class org.apache.mahout.math.AbstractVector: Subclasses must override to return an appropriately sparse or dense result
matrixLike(int, int) - Method in class org.apache.mahout.math.ConstantVector: Subclasses must override to return an appropriately sparse or dense result
matrixLike(int, int) - Method in class org.apache.mahout.math.DenseVector
matrixLike(int, int) - Method in class org.apache.mahout.math.MatrixVectorView: Subclasses must override to return an appropriately sparse or dense result
matrixLike(int, int) - Method in class org.apache.mahout.math.PermutedVectorView: Subclasses must override to return an appropriately sparse or dense result
matrixLike(int, int) - Method in class org.apache.mahout.math.RandomAccessSparseVector
matrixLike(int, int) - Method in class org.apache.mahout.math.SequentialAccessSparseVector
matrixLike(int, int) - Method in class org.apache.mahout.math.VectorView
MatrixSlice - Class in org.apache.mahout.math
MatrixSlice(Vector, int) - Constructor for class org.apache.mahout.math.MatrixSlice
MatrixVectorView - Class in org.apache.mahout.math: Provides a virtual vector that is really a row or column or diagonal of a matrix.
MatrixVectorView(Matrix, int, int, int, int) - Constructor for class org.apache.mahout.math.MatrixVectorView
MatrixView - Class in org.apache.mahout.math: Implements subset view of a Matrix
MatrixView(Matrix, int[], int[]) - Constructor for class org.apache.mahout.math.MatrixView: Construct a view of the matrix with given offset and cardinality
MAX - Static variable in class org.apache.mahout.math.function.Functions: Function that returns Math.max(a,b).
max(double) - Static method in class org.apache.mahout.math.function.Functions: Constructs a function that returns Math.max(a,b).
MAX_INT_SMALLER_TWIN_PRIME - Static variable in class org.apache.mahout.common.RandomUtils: The largest prime less than 2³¹-1 that is the smaller of a twin prime pair.
MAXGAM - Static variable in class org.apache.mahout.math.jet.math.Constants
MAXLOG - Static variable in class org.apache.mahout.math.jet.math.Constants
maxValue() - Method in class org.apache.mahout.math.AbstractVector
maxValue() - Method in class org.apache.mahout.math.NamedVector
maxValue() - Method in interface org.apache.mahout.math.Vector
maxValueIndex() - Method in class org.apache.mahout.math.AbstractVector
maxValueIndex() - Method in class org.apache.mahout.math.NamedVector
maxValueIndex() - Method in interface org.apache.mahout.math.Vector
mean() - Method in class org.apache.mahout.math.stats.OnlineExponentialAverage
meanRate() - Method in class org.apache.mahout.math.stats.OnlineExponentialAverage
MersenneTwister - Class in org.apache.mahout.math.jet.random.engine: MersenneTwister (MT19937) is one of the strongest uniform pseudo-random number generators known so far; at the same time it is quick.
MersenneTwister() - Constructor for class org.apache.mahout.math.jet.random.engine.MersenneTwister: Constructs and returns a random number generator with a default seed, which is a constant.
MersenneTwister(int) - Constructor for class org.apache.mahout.math.jet.random.engine.MersenneTwister: Constructs and returns a random number generator with the given seed.
MersenneTwister(Date) - Constructor for class org.apache.mahout.math.jet.random.engine.MersenneTwister: Constructs and returns a random number generator seeded with the given date.
MIN - Static variable in class org.apache.mahout.math.function.Functions: Function that returns Math.min(a,b).
min(double) - Static method in class org.apache.mahout.math.function.Functions: Constructs a function that returns Math.min(a,b).
MINLOG - Static variable in class org.apache.mahout.math.jet.math.Constants
minus(Matrix) - Method in class org.apache.mahout.math.AbstractMatrix
minus(Vector) - Method in class org.apache.mahout.math.AbstractVector
MINUS - Static variable in class org.apache.mahout.math.function.Functions: Function that returns a - b.
minus(double) - Static method in class org.apache.mahout.math.function.Functions: Constructs a function that returns a - b.
minus(Matrix) - Method in interface org.apache.mahout.math.Matrix: Return a new matrix containing the element by element difference of the recipient and the argument
minus(Vector) - Method in class org.apache.mahout.math.NamedVector
minus(Vector) - Method in class org.apache.mahout.math.SequentialAccessSparseVector
minus(Vector) - Method in interface org.apache.mahout.math.Vector: Return a new vector containing the element by element difference of the recipient and the argument
minusMult(double) - Static method in class org.apache.mahout.math.function.Functions: Constructs a function that returns a - b*constant.
minusMult(double) - Static method in class org.apache.mahout.math.function.PlusMult: a - b*constant.
minValue() - Method in class org.apache.mahout.math.AbstractVector
minValue() - Method in class org.apache.mahout.math.NamedVector
minValue() - Method in interface org.apache.mahout.math.Vector
minValueIndex() - Method in class org.apache.mahout.math.AbstractVector
minValueIndex() - Method in class org.apache.mahout.math.NamedVector
minValueIndex() - Method in interface org.apache.mahout.math.Vector
MOD - Static variable in class org.apache.mahout.math.function.Functions: Function that returns a % b.
mod(double) - Static method in class org.apache.mahout.math.function.Functions: Constructs a function that returns a % b.
mostRecentEigen() - Method in class org.apache.mahout.math.decomposer.hebbian.TrainingState
mult(Matrix, Vector) - Static method in class org.apache.mahout.math.Algebra
MULT - Static variable in class org.apache.mahout.math.function.Functions: Function that returns a * b.
mult(double) - Static method in class org.apache.mahout.math.function.Functions: Constructs a function that returns a * b.
Mult - Class in org.apache.mahout.math.function: Only for performance tuning of compute intensive linear algebraic computations.
mult(double) - Static method in class org.apache.mahout.math.function.Mult: a * constant.
MurmurHash - Class in org.apache.mahout.math: This is a very fast, non-cryptographic hash suitable for general hash-based lookup.
MurmurHash3 - Class in org.apache.mahout.math: This produces exactly the same hash values as the final C++ version of MurmurHash3 and is thus suitable for producing the same hash values across platforms.
murmurhash3_x86_32(byte[], int, int, int) - Static method in class org.apache.mahout.math.MurmurHash3: Returns the MurmurHash3_x86_32 hash.

N

NamedVector - Class in org.apache.mahout.math
NamedVector() - Constructor for class org.apache.mahout.math.NamedVector
NamedVector(NamedVector) - Constructor for class org.apache.mahout.math.NamedVector
NamedVector(Vector, String) - Constructor for class org.apache.mahout.math.NamedVector
NEGATE - Static variable in class org.apache.mahout.math.function.Functions: Function that returns -a.
NegativeBinomial - Class in org.apache.mahout.math.jet.random: Mostly deprecated until unit tests are in place.
NegativeBinomial(int, double, Random) - Constructor for class org.apache.mahout.math.jet.random.NegativeBinomial: Constructs a Negative Binomial distribution which describes the probability of getting a particular number of negative trials (k) before getting a fixed number of positive trials (r) where each positive trial has probability (p) of being successful.
negativeBinomial(int, int, double) - Static method in class org.apache.mahout.math.jet.stat.Probability: Returns the sum of the terms 0 through k of the Negative Binomial Distribution.
newVector(int) - Method in class org.apache.mahout.math.AbstractMatrix.TransposeViewVector
next(int) - Method in class org.apache.mahout.common.RandomWrapper
nextBoolean() - Method in class org.apache.mahout.common.RandomWrapper
nextBoolean() - Method in class org.apache.mahout.math.jet.random.Uniform: Returns a uniformly distributed random boolean.
nextBytes(byte[]) - Method in class org.apache.mahout.common.RandomWrapper
nextDouble() - Method in class org.apache.mahout.common.RandomWrapper
nextDouble() - Method in class org.apache.mahout.math.jet.random.AbstractDiscreteDistribution: Returns a random number from the distribution; returns (double) nextInt().
nextDouble() - Method in class org.apache.mahout.math.jet.random.AbstractDistribution: Returns a random number from the distribution.
nextDouble() - Method in class org.apache.mahout.math.jet.random.engine.RandomEngine
nextDouble() - Method in class org.apache.mahout.math.jet.random.Exponential: Returns a random number from the distribution.
nextDouble() - Method in class org.apache.mahout.math.jet.random.Gamma: Returns a random number from the distribution.
nextDouble(double, double) - Method in class org.apache.mahout.math.jet.random.Gamma: Returns a random number from the distribution; bypasses the internal state.
nextDouble() - Method in class org.apache.mahout.math.jet.random.Normal: Returns a random number from the distribution.
nextDouble() - Method in class org.apache.mahout.math.jet.random.Uniform: Returns a uniformly distributed random number in the open interval (min,max) (excluding min and max).
nextDoubleFromTo(double, double) - Method in class org.apache.mahout.math.jet.random.Uniform: Returns a uniformly distributed random number in the open interval (from,to) (excluding from and to).
nextFloat() - Method in class org.apache.mahout.common.RandomWrapper
nextFloat() - Method in class org.apache.mahout.math.jet.random.engine.RandomEngine
nextFloatFromTo(float, float) - Method in class org.apache.mahout.math.jet.random.Uniform: Returns a uniformly distributed random number in the open interval (from,to) (excluding from and to).
nextGaussian() - Method in class org.apache.mahout.common.RandomWrapper
nextInt() - Method in class org.apache.mahout.common.RandomWrapper
nextInt(int) - Method in class org.apache.mahout.common.RandomWrapper
nextInt() - Method in class org.apache.mahout.math.jet.random.AbstractContinousDistribution
nextInt() - Method in class org.apache.mahout.math.jet.random.AbstractDistribution
nextInt() - Method in class org.apache.mahout.math.jet.random.engine.MersenneTwister: Returns a 32 bit uniformly distributed random number in the closed interval [Integer.MIN_VALUE,Integer.MAX_VALUE] (including Integer.MIN_VALUE and Integer.MAX_VALUE).
nextInt() - Method in class org.apache.mahout.math.jet.random.engine.RandomEngine
nextInt() - Method in class org.apache.mahout.math.jet.random.NegativeBinomial
nextInt(int, double) - Method in class org.apache.mahout.math.jet.random.NegativeBinomial: Returns a sample from this distribution.
nextInt() - Method in class org.apache.mahout.math.jet.random.Poisson
nextInt(double) - Method in class org.apache.mahout.math.jet.random.Poisson: Returns a random number from the distribution; bypasses the internal state.
nextIntFromTo(int, int) - Method in class org.apache.mahout.math.jet.random.Uniform: Returns a uniformly distributed random number in the closed interval [from,to] (including from and to).
nextLong() - Method in class org.apache.mahout.common.RandomWrapper
nextLong() - Method in class org.apache.mahout.math.jet.random.engine.RandomEngine
nextLongFromTo(long, long) - Method in class org.apache.mahout.math.jet.random.Uniform: Returns a uniformly distributed random number in the closed interval [from,to] (including from and to).
nextPrime(int) - Static method in class org.apache.mahout.common.RandomUtils: Finds smallest prime p such that p is greater than or equal to n.
nextTwinPrime(int) - Static method in class org.apache.mahout.common.RandomUtils: Finds next-largest "twin primes": numbers p and p+2 such that both are prime.
norm(double) - Method in class org.apache.mahout.math.AbstractVector
norm(double) - Method in class org.apache.mahout.math.NamedVector
norm(double) - Method in interface org.apache.mahout.math.Vector: Return the k-norm of the vector.
norm2() - Method in class org.apache.mahout.math.SingularValueDecomposition: Returns the two norm, which is max(S).
Normal - Class in org.apache.mahout.math.jet.random: Implements a normal distribution specified mean and standard deviation.
Normal(double, double, Random) - Constructor for class org.apache.mahout.math.jet.random.Normal
normal(double) - Static method in class org.apache.mahout.math.jet.stat.Probability: Returns the area under the Normal (Gaussian) probability density function, integrated from minus infinity to x (assumes mean is zero, variance is one).
normal(double, double, double) - Static method in class org.apache.mahout.math.jet.stat.Probability: Returns the area under the Normal (Gaussian) probability density function, integrated from minus infinity to x.
normalize() - Method in class org.apache.mahout.math.AbstractVector
normalize(double) - Method in class org.apache.mahout.math.AbstractVector
normalize() - Method in class org.apache.mahout.math.NamedVector
normalize(double) - Method in class org.apache.mahout.math.NamedVector
normalize() - Method in interface org.apache.mahout.math.Vector: Return a new vector containing the normalized (L_2 norm) values of the recipient
normalize(double) - Method in interface org.apache.mahout.math.Vector: Return a new Vector containing the normalized (L_power norm) values of the recipient.
numCols() - Method in class org.apache.mahout.math.AbstractMatrix
numCols() - Method in interface org.apache.mahout.math.VectorIterable
numRows() - Method in class org.apache.mahout.math.AbstractMatrix
numRows() - Method in interface org.apache.mahout.math.VectorIterable
numSlices() - Method in class org.apache.mahout.math.AbstractMatrix: Abstracted out for the iterator
numSlices() - Method in class org.apache.mahout.math.SparseColumnMatrix: Abstracted out for the iterator
numSlices() - Method in interface org.apache.mahout.math.VectorIterable

O

offset(int) - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix1D: Deprecated. Returns the position of the given absolute rank within the (virtual or non-virtual) internal 1-dimensional array.
OnlineExponentialAverage - Class in org.apache.mahout.math.stats: Computes an online average that is exponentially weighted toward recent time-embedded samples.
OnlineExponentialAverage(double) - Constructor for class org.apache.mahout.math.stats.OnlineExponentialAverage: Creates an averager that has a specified time constant for discounting old data.
OnlineSummarizer - Class in org.apache.mahout.math.stats: Computes on-line estimates of mean, variance and all five quartiles (notably including the median).
OnlineSummarizer() - Constructor for class org.apache.mahout.math.stats.OnlineSummarizer
org.apache.mahout.common - package org.apache.mahout.common
org.apache.mahout.math - package org.apache.mahout.math: Core base classes; Operations on primitive arrays such as sorting, partitioning and permuting.
org.apache.mahout.math.als - package org.apache.mahout.math.als
org.apache.mahout.math.decomposer - package org.apache.mahout.math.decomposer
org.apache.mahout.math.decomposer.hebbian - package org.apache.mahout.math.decomposer.hebbian
org.apache.mahout.math.decomposer.lanczos - package org.apache.mahout.math.decomposer.lanczos
org.apache.mahout.math.function - package org.apache.mahout.math.function: Core interfaces for functions, comparisons and procedures on objects and primitive data types.
org.apache.mahout.math.jet.math - package org.apache.mahout.math.jet.math: Tools for basic and advanced mathematics: Arithmetics and Algebra, Polynomials and Chebyshev series, Bessel and Airy functions, Function Objects for generic function evaluation, etc.
org.apache.mahout.math.jet.random - package org.apache.mahout.math.jet.random
org.apache.mahout.math.jet.random.engine - package org.apache.mahout.math.jet.random.engine: Engines generating strong uniformly distributed pseudo-random numbers; Needed by all JET probability distributions since they rely on uniform random numbers to generate random numbers from their own distribution.
org.apache.mahout.math.jet.random.sampling - package org.apache.mahout.math.jet.random.sampling
org.apache.mahout.math.jet.stat - package org.apache.mahout.math.jet.stat: Tools for basic and advanced statistics: Estimators, Gamma functions, Beta functions, Probabilities, Special integrals, etc.
org.apache.mahout.math.matrix - package org.apache.mahout.math.matrix
org.apache.mahout.math.matrix.impl - package org.apache.mahout.math.matrix.impl: Matrix implementations; You normally need not look at this package, because all concrete classes implement the abstract interfaces of org.apache.mahout.math.matrix, without subsetting or supersetting.
org.apache.mahout.math.matrix.linalg - package org.apache.mahout.math.matrix.linalg
org.apache.mahout.math.solver - package org.apache.mahout.math.solver
org.apache.mahout.math.ssvd - package org.apache.mahout.math.ssvd
org.apache.mahout.math.stats - package org.apache.mahout.math.stats
orthoganalizeAgainstAllButLast(Vector, LanczosState) - Method in class org.apache.mahout.math.decomposer.lanczos.LanczosSolver
OrthonormalityVerifier - Class in org.apache.mahout.math

P

p1evl(double, double[], int) - Static method in class org.apache.mahout.math.jet.math.Polynomial: Evaluates the given polynomial of degree N at x, assuming coefficient of N is 1.0.
pairwiseInnerProducts(Iterable<MatrixSlice>) - Static method in class org.apache.mahout.math.OrthonormalityVerifier
pdf(double) - Method in class org.apache.mahout.math.jet.random.AbstractContinousDistribution
pdf(double) - Method in class org.apache.mahout.math.jet.random.Exponential: Returns the value of the probability density function at a particular point.
pdf(double) - Method in class org.apache.mahout.math.jet.random.Gamma: Returns the probability distribution function.
pdf(int) - Method in class org.apache.mahout.math.jet.random.NegativeBinomial: Returns the probability distribution function.
pdf(double) - Method in class org.apache.mahout.math.jet.random.Normal: Returns the probability density function.
pdf(double) - Method in class org.apache.mahout.math.jet.random.Uniform: Returns the probability distribution function (assuming a continous uniform distribution).
permute(int[], Swapper, int[], int[]) - Static method in class org.apache.mahout.math.GenericPermuting: Deprecated. Generically reorders arbitrary shaped generic data g such that g[i] == g[indexes[i]].
PermutedVectorView - Class in org.apache.mahout.math: Provides a permuted view of a vector.
PermutedVectorView(Vector, int[], int[]) - Constructor for class org.apache.mahout.math.PermutedVectorView
PermutedVectorView(Vector, int[]) - Constructor for class org.apache.mahout.math.PermutedVectorView
PivotedMatrix - Class in org.apache.mahout.math: Matrix that allows transparent row and column permutation.
PivotedMatrix(Matrix, int[]) - Constructor for class org.apache.mahout.math.PivotedMatrix
PivotedMatrix(Matrix, int[], int[]) - Constructor for class org.apache.mahout.math.PivotedMatrix
PivotedMatrix(Matrix) - Constructor for class org.apache.mahout.math.PivotedMatrix
plus(double) - Method in class org.apache.mahout.math.AbstractMatrix
plus(Matrix) - Method in class org.apache.mahout.math.AbstractMatrix
plus(double) - Method in class org.apache.mahout.math.AbstractVector
plus(Vector) - Method in class org.apache.mahout.math.AbstractVector
PLUS - Static variable in class org.apache.mahout.math.function.Functions: Function that returns a + b.
plus(double) - Static method in class org.apache.mahout.math.function.Functions: Constructs a function that returns a + b.
plus(double) - Method in interface org.apache.mahout.math.Matrix: Return a new matrix containing the sum of each value of the recipient and the argument
plus(Matrix) - Method in interface org.apache.mahout.math.Matrix: Return a new matrix containing the element by element sum of the recipient and the argument
plus(double) - Method in class org.apache.mahout.math.NamedVector
plus(Vector) - Method in class org.apache.mahout.math.NamedVector
plus(double) - Method in interface org.apache.mahout.math.Vector: Return a new vector containing the sum of each value of the recipient and the argument
plus(Vector) - Method in interface org.apache.mahout.math.Vector: Return a new vector containing the element by element sum of the recipient and the argument
PLUS_ABS - Static variable in class org.apache.mahout.math.function.Functions: Function that returns Math.abs(a) + Math.abs(b).
plusMult(double) - Static method in class org.apache.mahout.math.function.Functions: Constructs a function that returns a + b*constant.
PlusMult - Class in org.apache.mahout.math.function: Only for performance tuning of compute intensive linear algebraic computations.
PlusMult(double) - Constructor for class org.apache.mahout.math.function.PlusMult
plusMult(double) - Static method in class org.apache.mahout.math.function.PlusMult: a + b*constant.
Poisson - Class in org.apache.mahout.math.jet.random: Partially deprecated until unit tests are in place.
Poisson(double, Random) - Constructor for class org.apache.mahout.math.jet.random.Poisson: Constructs a poisson distribution.
poisson(int, double) - Static method in class org.apache.mahout.math.jet.stat.Probability: Returns the sum of the first k terms of the Poisson distribution.
polevl(double, double[], int) - Static method in class org.apache.mahout.math.jet.math.Polynomial: Evaluates the given polynomial of degree N at x.
Polynomial - Class in org.apache.mahout.math.jet.math: Polynomial functions.
POW - Static variable in class org.apache.mahout.math.function.Functions: Function that returns Math.pow(a,b).
pow(double) - Static method in class org.apache.mahout.math.function.Functions: Constructs a function that returns Math.pow(a,b).
precondition(Vector) - Method in class org.apache.mahout.math.solver.JacobiConditioner
precondition(Vector) - Method in interface org.apache.mahout.math.solver.Preconditioner: Preconditions the specified vector.
Preconditioner - Interface in org.apache.mahout.math.solver: Interface for defining preconditioners used for improving the performance and/or stability of linear system solvers.
Probability - Class in org.apache.mahout.math.jet.stat: Partially deprecated until unit tests are in place.
Property - Class in org.apache.mahout.math.matrix.linalg: Deprecated. until unit tests are in place. Until this time, this class/interface is unsupported.
Property(double) - Constructor for class org.apache.mahout.math.matrix.linalg.Property: Deprecated. Constructs an instance with a tolerance of Math.abs(newTolerance).

Q

QRDecomposition - Class in org.apache.mahout.math: partially deprecated until unit tests are in place.
QRDecomposition(Matrix) - Constructor for class org.apache.mahout.math.QRDecomposition: Constructs and returns a new QR decomposition object; computed by Householder reflections; The decomposed matrices can be retrieved via instance methods of the returned decomposition object.

R

random() - Static method in class org.apache.mahout.math.function.Functions: Constructs a function that returns a new uniform random number in the open unit interval (0.0,1.0) (excluding 0.0 and 1.0).
RandomAccessSparseVector - Class in org.apache.mahout.math: Implements vector that only stores non-zero doubles
RandomAccessSparseVector() - Constructor for class org.apache.mahout.math.RandomAccessSparseVector: For serialization purposes only.
RandomAccessSparseVector(int) - Constructor for class org.apache.mahout.math.RandomAccessSparseVector
RandomAccessSparseVector(int, int) - Constructor for class org.apache.mahout.math.RandomAccessSparseVector
RandomAccessSparseVector(Vector) - Constructor for class org.apache.mahout.math.RandomAccessSparseVector
RandomAccessSparseVector(RandomAccessSparseVector, boolean) - Constructor for class org.apache.mahout.math.RandomAccessSparseVector
randomDouble() - Method in class org.apache.mahout.math.jet.random.AbstractDistribution
RandomEngine - Class in org.apache.mahout.math.jet.random.engine: Abstract base class for uniform pseudo-random number generating engines.
RandomEngine() - Constructor for class org.apache.mahout.math.jet.random.engine.RandomEngine
RandomSampler - Class in org.apache.mahout.math.jet.random.sampling: Space and time efficiently computes a sorted Simple Random Sample Without Replacement (SRSWOR), that is, a sorted set of n random numbers from an interval of N numbers; Example: Computing n=3 random numbers from the interval [1,50] may yield the sorted random set (7,13,47).
RandomTrinaryMatrix - Class in org.apache.mahout.math: Random matrix.
RandomTrinaryMatrix(int, int, int, boolean) - Constructor for class org.apache.mahout.math.RandomTrinaryMatrix
RandomTrinaryMatrix(int, int) - Constructor for class org.apache.mahout.math.RandomTrinaryMatrix
RandomUtils - Class in org.apache.mahout.common: The source of random stuff for the whole project.
RandomWrapper - Class in org.apache.mahout.common
rank(int) - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix1D: Deprecated. Returns the absolute rank of the given relative rank.
rank() - Method in class org.apache.mahout.math.SingularValueDecomposition: Returns the effective numerical matrix rank, which is the number of nonnegligible singular values.
raw() - Method in class org.apache.mahout.math.jet.random.engine.RandomEngine
RINT - Static variable in class org.apache.mahout.math.function.Functions: Function that returns Math.rint(a).
rootLogLikelihoodRatio(long, long, long, long) - Static method in class org.apache.mahout.math.stats.LogLikelihood: Calculates the root log-likelihood ratio for two events.
round(double) - Static method in class org.apache.mahout.math.function.Functions: Constructs a function that returns the number rounded to the given precision; Math.rint(a/precision)*precision.
ROW - Static variable in class org.apache.mahout.math.AbstractMatrix
rowLabelBindings - Variable in class org.apache.mahout.math.AbstractMatrix
rowOffset(int) - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix2D: Deprecated. Returns the position of the given absolute rank within the (virtual or non-virtual) internal 1-dimensional array.
rowRank(int) - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix2D: Deprecated. Returns the absolute rank of the given relative rank.
rows - Variable in class org.apache.mahout.math.AbstractMatrix
rows - Variable in class org.apache.mahout.math.matrix.impl.AbstractMatrix2D: Deprecated.
rows() - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix2D: Deprecated. Returns the number of rows.
rowSize() - Method in class org.apache.mahout.math.AbstractMatrix
rowSize() - Method in interface org.apache.mahout.math.Matrix
rowStride - Variable in class org.apache.mahout.math.matrix.impl.AbstractMatrix2D: Deprecated. the number of elements between two rows, i.e.
rowUnpivot(int) - Method in class org.apache.mahout.math.PivotedMatrix
rowZero - Variable in class org.apache.mahout.math.matrix.impl.AbstractMatrix2D: Deprecated. the index of the first element

S

SAFE_MAX - Static variable in class org.apache.mahout.math.decomposer.lanczos.LanczosSolver
sample(long, long, int, long, long[], int, Random) - Static method in class org.apache.mahout.math.jet.random.sampling.RandomSampler: Efficiently computes a sorted random set of count elements from the interval [low,low+N-1].
scaleFactor - Variable in class org.apache.mahout.math.decomposer.lanczos.LanczosState
seedBytesToLong(byte[]) - Static method in class org.apache.mahout.common.RandomUtils
semiBandwidth(DoubleMatrix2D) - Method in class org.apache.mahout.math.matrix.linalg.Property: Deprecated. Returns the semi-bandwidth of the given square matrix A.
SequentialAccessSparseVector - Class in org.apache.mahout.math: Implements vector that only stores non-zero doubles as a pair of parallel arrays (OrderedIntDoubleMapping), one int[], one double[].
SequentialAccessSparseVector() - Constructor for class org.apache.mahout.math.SequentialAccessSparseVector: For serialization purposes only.
SequentialAccessSparseVector(int) - Constructor for class org.apache.mahout.math.SequentialAccessSparseVector
SequentialAccessSparseVector(int, int) - Constructor for class org.apache.mahout.math.SequentialAccessSparseVector
SequentialAccessSparseVector(Vector) - Constructor for class org.apache.mahout.math.SequentialAccessSparseVector
SequentialAccessSparseVector(SequentialAccessSparseVector, boolean) - Constructor for class org.apache.mahout.math.SequentialAccessSparseVector
SequentialAccessSparseVector(SequentialAccessSparseVector) - Constructor for class org.apache.mahout.math.SequentialAccessSparseVector
SequentialBigSvd - Class in org.apache.mahout.math.ssvd: Implements an in-memory version of stochastic projection based SVD.
SequentialBigSvd(Matrix, int) - Constructor for class org.apache.mahout.math.ssvd.SequentialBigSvd
set(String, double[]) - Method in class org.apache.mahout.math.AbstractMatrix
set(String, int, double[]) - Method in class org.apache.mahout.math.AbstractMatrix
set(String, String, double) - Method in class org.apache.mahout.math.AbstractMatrix
set(String, String, int, int, double) - Method in class org.apache.mahout.math.AbstractMatrix
set(int, int, double) - Method in class org.apache.mahout.math.AbstractMatrix
set(int, double[]) - Method in class org.apache.mahout.math.AbstractMatrix
set(double) - Method in class org.apache.mahout.math.AbstractVector.LocalElement
set(int, double) - Method in class org.apache.mahout.math.AbstractVector
set(int, double) - Method in class org.apache.mahout.math.matrix.DoubleMatrix1D: Deprecated. Sets the matrix cell at coordinate index to the specified value.
set(int, int, double) - Method in class org.apache.mahout.math.matrix.DoubleMatrix2D: Deprecated. Sets the matrix cell at coordinate [row,column] to the specified value.
set(int, int, double) - Method in interface org.apache.mahout.math.Matrix: Set the value at the given index
set(int, double[]) - Method in interface org.apache.mahout.math.Matrix
set(String, String, double) - Method in interface org.apache.mahout.math.Matrix: Set the value at the given index
set(String, String, int, int, double) - Method in interface org.apache.mahout.math.Matrix: Set the value at the given index, updating the row and column label bindings
set(String, double[]) - Method in interface org.apache.mahout.math.Matrix: Sets the row values at the given row label
set(String, int, double[]) - Method in interface org.apache.mahout.math.Matrix: Sets the row values at the given row index and updates the row labels
set(int, double) - Method in class org.apache.mahout.math.NamedVector
set(double) - Method in interface org.apache.mahout.math.Vector.Element
set(int, double) - Method in interface org.apache.mahout.math.Vector: Set the value at the given index
setActivationDenominatorSquared(double) - Method in class org.apache.mahout.math.decomposer.hebbian.TrainingState
setActivationNumerator(double) - Method in class org.apache.mahout.math.decomposer.hebbian.TrainingState
setAtolerance(double) - Method in class org.apache.mahout.math.solver.LSMR
setBasisVector(int, Vector) - Method in class org.apache.mahout.math.decomposer.lanczos.LanczosState
setBtolerance(double) - Method in class org.apache.mahout.math.solver.LSMR
setColumnLabelBindings(Map<String, Integer>) - Method in class org.apache.mahout.math.AbstractMatrix
setColumnLabelBindings(Map<String, Integer>) - Method in interface org.apache.mahout.math.Matrix: Sets a map of column label bindings in the receiver
setConditionLimit(double) - Method in class org.apache.mahout.math.solver.LSMR
setCurrentEigens(Matrix) - Method in class org.apache.mahout.math.decomposer.hebbian.TrainingState
setCurrentEigenValues(List<Double>) - Method in class org.apache.mahout.math.decomposer.hebbian.TrainingState
setFirstPass(boolean) - Method in class org.apache.mahout.math.decomposer.hebbian.TrainingState
setHelperVector(Vector) - Method in class org.apache.mahout.math.decomposer.hebbian.TrainingState
setIterationLimit(int) - Method in class org.apache.mahout.math.solver.LSMR
setIterationNumber(int) - Method in class org.apache.mahout.math.decomposer.lanczos.LanczosState
setLocalSize(int) - Method in class org.apache.mahout.math.solver.LSMR
setMultiplicator(double) - Method in class org.apache.mahout.math.function.Mult
setMultiplicator(double) - Method in class org.apache.mahout.math.function.PlusMult
setNumEigensProcessed(int) - Method in class org.apache.mahout.math.decomposer.hebbian.TrainingState
setQuick(int, double) - Method in class org.apache.mahout.math.AbstractMatrix.TransposeViewVector
setQuick(int, double) - Method in class org.apache.mahout.math.ConstantVector: Set the value at the given index, without checking bounds
setQuick(int, int, double) - Method in class org.apache.mahout.math.DenseMatrix
setQuick(int, double) - Method in class org.apache.mahout.math.DenseVector
setQuick(int, int, double) - Method in class org.apache.mahout.math.DiagonalMatrix
setQuick(int, double) - Method in class org.apache.mahout.math.matrix.DoubleMatrix1D: Deprecated. Sets the matrix cell at coordinate index to the specified value.
setQuick(int, int, double) - Method in class org.apache.mahout.math.matrix.DoubleMatrix2D: Deprecated. Sets the matrix cell at coordinate [row,column] to the specified value.
setQuick(int, double) - Method in class org.apache.mahout.math.matrix.impl.DenseDoubleMatrix1D: Deprecated. Sets the matrix cell at coordinate index to the specified value.
setQuick(int, int, double) - Method in class org.apache.mahout.math.matrix.impl.DenseDoubleMatrix2D: Deprecated. Sets the matrix cell at coordinate [row,column] to the specified value.
setQuick(int, double) - Method in class org.apache.mahout.math.matrix.impl.SparseDoubleMatrix1D: Deprecated. Sets the matrix cell at coordinate index to the specified value.
setQuick(int, int, double) - Method in class org.apache.mahout.math.matrix.impl.SparseDoubleMatrix2D: Deprecated. Sets the matrix cell at coordinate [row,column] to the specified value.
setQuick(int, int, double) - Method in interface org.apache.mahout.math.Matrix: Set the value at the given index, without checking bounds
setQuick(int, double) - Method in class org.apache.mahout.math.MatrixVectorView: Set the value at the given index, without checking bounds
setQuick(int, int, double) - Method in class org.apache.mahout.math.MatrixView
setQuick(int, double) - Method in class org.apache.mahout.math.NamedVector
setQuick(int, double) - Method in class org.apache.mahout.math.PermutedVectorView: Set the value at the given index, without checking bounds
setQuick(int, int, double) - Method in class org.apache.mahout.math.PivotedMatrix: Set the value at the given index, without checking bounds
setQuick(int, double) - Method in class org.apache.mahout.math.RandomAccessSparseVector
setQuick(int, int, double) - Method in class org.apache.mahout.math.RandomTrinaryMatrix: Set the value at the given index, without checking bounds
setQuick(int, double) - Method in class org.apache.mahout.math.SequentialAccessSparseVector
setQuick(int, int, double) - Method in class org.apache.mahout.math.SparseColumnMatrix
setQuick(int, int, double) - Method in class org.apache.mahout.math.SparseMatrix
setQuick(int, int, double) - Method in class org.apache.mahout.math.SparseRowMatrix
setQuick(int, double) - Method in interface org.apache.mahout.math.Vector: Set the value at the given index, without checking bounds
setQuick(int, double) - Method in class org.apache.mahout.math.VectorView
setRandomGenerator(Random) - Method in class org.apache.mahout.math.jet.random.AbstractDistribution: Sets the uniform random generator internally used.
setRandomGenerator(Random) - Method in class org.apache.mahout.math.jet.random.Normal: Sets the uniform random generator internally used.
setRightSingularVector(int, Vector) - Method in class org.apache.mahout.math.decomposer.lanczos.LanczosState
setRowLabelBindings(Map<String, Integer>) - Method in class org.apache.mahout.math.AbstractMatrix
setRowLabelBindings(Map<String, Integer>) - Method in interface org.apache.mahout.math.Matrix: Sets a map of row label bindings in the receiver
setScaleFactor(double) - Method in class org.apache.mahout.math.decomposer.lanczos.LanczosState
setSeed(long) - Method in class org.apache.mahout.common.RandomWrapper
setSingularValue(int, double) - Method in class org.apache.mahout.math.decomposer.lanczos.LanczosState
setState(double) - Method in class org.apache.mahout.math.jet.random.Exponential: Sets the rate parameter.
setState(double, double) - Method in class org.apache.mahout.math.jet.random.Normal: Sets the mean and variance.
setState(double, double) - Method in class org.apache.mahout.math.jet.random.Uniform: Sets the internal state.
setStatusProgress(List<EigenStatus>) - Method in class org.apache.mahout.math.decomposer.hebbian.TrainingState
setTrainingIndex(int) - Method in class org.apache.mahout.math.decomposer.hebbian.TrainingState
setTrainingProjections(Matrix) - Method in class org.apache.mahout.math.decomposer.hebbian.TrainingState
setUp(int) - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix1D: Deprecated. Sets up a matrix with a given number of cells.
setUp(int, int, int) - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix1D: Deprecated. Sets up a matrix with the given parameters.
setUp(int, int) - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix2D: Deprecated. Sets up a matrix with a given number of rows and columns.
setUp(int, int, int, int, int, int) - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix2D: Deprecated. Sets up a matrix with a given number of rows and columns and the given strides.
SIGMOID - Static variable in class org.apache.mahout.math.function.Functions: Function that returns 1 / (1 + exp(-a)
SIGMOIDGRADIENT - Static variable in class org.apache.mahout.math.function.Functions: Function that returns a * (1-a)
SIGN - Static variable in class org.apache.mahout.math.function.Functions: Function that returns a < 0 ? -1 : a > 0 ? 1 : 0.
SimpleEigenVerifier - Class in org.apache.mahout.math.decomposer
SimpleEigenVerifier() - Constructor for class org.apache.mahout.math.decomposer.SimpleEigenVerifier
SIN - Static variable in class org.apache.mahout.math.function.Functions: Function that returns Math.sin(a).
SingularValueDecomposition - Class in org.apache.mahout.math
SingularValueDecomposition(Matrix) - Constructor for class org.apache.mahout.math.SingularValueDecomposition: Constructs and returns a new singular value decomposition object; The decomposed matrices can be retrieved via instance methods of the returned decomposition object.
singularValues - Variable in class org.apache.mahout.math.decomposer.lanczos.LanczosState
singularVectors - Variable in class org.apache.mahout.math.decomposer.lanczos.LanczosState
SingularVectorVerifier - Interface in org.apache.mahout.math.decomposer
size() - Method in class org.apache.mahout.math.AbstractVector
size() - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix: Deprecated. Returns the number of cells.
size - Variable in class org.apache.mahout.math.matrix.impl.AbstractMatrix1D: Deprecated. the number of cells this matrix (view) has
size() - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix1D: Deprecated. Returns the number of cells.
size() - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix2D: Deprecated. Returns the number of cells which is rows()*columns().
size() - Method in class org.apache.mahout.math.NamedVector
size() - Method in interface org.apache.mahout.math.Vector: Return the cardinality of the recipient (the maximum number of values)
solve(Iterable<Vector>, Vector, double, int) - Method in class org.apache.mahout.math.als.AlternatingLeastSquaresSolver
solve(Vector) - Method in class org.apache.mahout.math.als.ImplicitFeedbackAlternatingLeastSquaresSolver
solve(Matrix, int) - Method in class org.apache.mahout.math.decomposer.hebbian.HebbianSolver: Primary singular vector solving method.
solve(LanczosState, int) - Method in class org.apache.mahout.math.decomposer.lanczos.LanczosSolver
solve(LanczosState, int, boolean) - Method in class org.apache.mahout.math.decomposer.lanczos.LanczosSolver
solve(Matrix) - Method in class org.apache.mahout.math.QRDecomposition: Least squares solution of A*X = B; returns X.
solve(VectorIterable, Vector) - Method in class org.apache.mahout.math.solver.ConjugateGradientSolver: Solves the system Ax = b with default termination criteria.
solve(VectorIterable, Vector, Preconditioner) - Method in class org.apache.mahout.math.solver.ConjugateGradientSolver: Solves the system Ax = b with default termination criteria using the specified preconditioner.
solve(VectorIterable, Vector, Preconditioner, int, double) - Method in class org.apache.mahout.math.solver.ConjugateGradientSolver: Solves the system Ax = b, where A is a linear operator and b is a vector.
solve(Matrix, Vector) - Method in class org.apache.mahout.math.solver.LSMR
solveLeft(Matrix) - Method in class org.apache.mahout.math.CholeskyDecomposition: Compute inv(L) * z efficiently.
solveRight(Matrix) - Method in class org.apache.mahout.math.CholeskyDecomposition: Compute z * inv(L') efficiently
SparseColumnMatrix - Class in org.apache.mahout.math: sparse matrix with general element values whose columns are accessible quickly.
SparseColumnMatrix(int, int, RandomAccessSparseVector[]) - Constructor for class org.apache.mahout.math.SparseColumnMatrix: Construct a matrix of the given cardinality with the given data columns
SparseColumnMatrix(int, int) - Constructor for class org.apache.mahout.math.SparseColumnMatrix: Construct a matrix of the given cardinality
SparseDoubleMatrix1D - Class in org.apache.mahout.math.matrix.impl: Deprecated. until unit tests are in place. Until this time, this class/interface is unsupported.
SparseDoubleMatrix1D(double[]) - Constructor for class org.apache.mahout.math.matrix.impl.SparseDoubleMatrix1D: Deprecated. Constructs a matrix with a copy of the given values.
SparseDoubleMatrix1D(int) - Constructor for class org.apache.mahout.math.matrix.impl.SparseDoubleMatrix1D: Deprecated. Constructs a matrix with a given number of cells.
SparseDoubleMatrix1D(int, int, double, double) - Constructor for class org.apache.mahout.math.matrix.impl.SparseDoubleMatrix1D: Deprecated. Constructs a matrix with a given number of parameters.
SparseDoubleMatrix2D - Class in org.apache.mahout.math.matrix.impl: Deprecated. until unit tests are in place. Until this time, this class/interface is unsupported.
SparseDoubleMatrix2D(double[][]) - Constructor for class org.apache.mahout.math.matrix.impl.SparseDoubleMatrix2D: Deprecated. Constructs a matrix with a copy of the given values.
SparseDoubleMatrix2D(int, int) - Constructor for class org.apache.mahout.math.matrix.impl.SparseDoubleMatrix2D: Deprecated. Constructs a matrix with a given number of rows and columns and default memory usage.
SparseDoubleMatrix2D(int, int, int, double, double) - Constructor for class org.apache.mahout.math.matrix.impl.SparseDoubleMatrix2D: Deprecated. Constructs a matrix with a given number of rows and columns using memory as specified.
SparseMatrix - Class in org.apache.mahout.math: Doubly sparse matrix.
SparseMatrix(int, int, Map<Integer, RandomAccessSparseVector>) - Constructor for class org.apache.mahout.math.SparseMatrix: Construct a matrix of the given cardinality with the given row map
SparseMatrix(int, int) - Constructor for class org.apache.mahout.math.SparseMatrix: Construct a matrix with specified number of rows and columns.
SparseRowMatrix - Class in org.apache.mahout.math: sparse matrix with general element values whose rows are accessible quickly.
SparseRowMatrix(int, int, Vector[]) - Constructor for class org.apache.mahout.math.SparseRowMatrix: Construct a sparse matrix starting with the provided row vectors.
SparseRowMatrix(int, int, boolean) - Constructor for class org.apache.mahout.math.SparseRowMatrix
SparseRowMatrix(int, int, Vector[], boolean, boolean) - Constructor for class org.apache.mahout.math.SparseRowMatrix
SparseRowMatrix(int, int) - Constructor for class org.apache.mahout.math.SparseRowMatrix: Construct a matrix of the given cardinality, with rows defaulting to RandomAccessSparseVector implementation
SQRT - Static variable in class org.apache.mahout.math.function.Functions: Function that returns Math.sqrt(a).
SQTPI - Static variable in class org.apache.mahout.math.jet.math.Constants
SQUARE - Static variable in class org.apache.mahout.math.function.Functions: Function that returns a * a.
SquareRootFunction - Class in org.apache.mahout.math.function
SquareRootFunction() - Constructor for class org.apache.mahout.math.function.SquareRootFunction
stride - Variable in class org.apache.mahout.math.matrix.impl.AbstractMatrix1D: Deprecated. the number of indexes between any two elements, i.e.
stride(int) - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix1D: Deprecated. Returns the stride of the given dimension (axis, rank).
swap(DoubleMatrix1D) - Method in class org.apache.mahout.math.matrix.DoubleMatrix1D: Deprecated. Swaps each element this[i] with other[i].
swap(DoubleMatrix1D) - Method in class org.apache.mahout.math.matrix.impl.DenseDoubleMatrix1D: Deprecated. Swaps each element this[i] with other[i].
swap(int, int) - Method in class org.apache.mahout.math.PivotedMatrix: Swaps indexes i and j.
swapArgs(DoubleDoubleFunction) - Static method in class org.apache.mahout.math.function.Functions: Constructs a function that returns function.apply(b,a), i.e.
swapColumns(int, int) - Method in class org.apache.mahout.math.PivotedMatrix: Swaps indexes i and j.
swapRows(int, int) - Method in class org.apache.mahout.math.PivotedMatrix: Swaps indexes i and j.

T

TAN - Static variable in class org.apache.mahout.math.function.Functions: Function that returns Math.tan(a).
times(double) - Method in class org.apache.mahout.math.AbstractMatrix
times(Matrix) - Method in class org.apache.mahout.math.AbstractMatrix
times(Vector) - Method in class org.apache.mahout.math.AbstractMatrix
times(double) - Method in class org.apache.mahout.math.AbstractVector
times(Vector) - Method in class org.apache.mahout.math.AbstractVector
times(double) - Method in interface org.apache.mahout.math.Matrix: Return a new matrix containing the product of each value of the recipient and the argument
times(Matrix) - Method in interface org.apache.mahout.math.Matrix: Return a new matrix containing the product of the recipient and the argument
times(double) - Method in class org.apache.mahout.math.NamedVector
times(Vector) - Method in class org.apache.mahout.math.NamedVector
times(double) - Method in interface org.apache.mahout.math.Vector: Return a new vector containing the product of each value of the recipient and the argument
times(Vector) - Method in interface org.apache.mahout.math.Vector: Return a new vector containing the element-wise product of the recipient and the argument
times(Vector) - Method in interface org.apache.mahout.math.VectorIterable: Return a new vector with cardinality equal to getNumRows() of this matrix which is the matrix product of the recipient and the argument
TimesFunction - Class in org.apache.mahout.math.function
TimesFunction() - Constructor for class org.apache.mahout.math.function.TimesFunction
timesSquared(Vector) - Method in class org.apache.mahout.math.AbstractMatrix
timesSquared(Vector) - Method in interface org.apache.mahout.math.VectorIterable: Convenience method for producing this.transpose().times(this.times(v)), which can be implemented with only one pass over the matrix, without making the transpose() call (which can be expensive if the matrix is sparse)
toArray() - Method in class org.apache.mahout.math.matrix.DoubleMatrix1D: Deprecated. Constructs and returns a 1-dimensional array containing the cell values.
toArray(double[]) - Method in class org.apache.mahout.math.matrix.DoubleMatrix1D: Deprecated. Fills the cell values into the specified 1-dimensional array.
toArray() - Method in class org.apache.mahout.math.matrix.DoubleMatrix2D: Deprecated. Constructs and returns a 2-dimensional array containing the cell values.
toArray(double[]) - Method in class org.apache.mahout.math.matrix.impl.DenseDoubleMatrix1D: Deprecated. Fills the cell values into the specified 1-dimensional array.
tolerance() - Method in class org.apache.mahout.math.matrix.linalg.Property: Deprecated. Returns the current tolerance.
toString() - Method in class org.apache.mahout.common.DevURandomSeedGenerator
toString() - Method in class org.apache.mahout.math.AbstractVector
toString(String[]) - Method in class org.apache.mahout.math.AbstractVector
toString() - Method in class org.apache.mahout.math.jet.random.Exponential: Returns a String representation of the receiver.
toString() - Method in class org.apache.mahout.math.jet.random.Gamma
toString() - Method in class org.apache.mahout.math.jet.random.NegativeBinomial: Returns a String representation of the receiver.
toString() - Method in class org.apache.mahout.math.jet.random.Normal: Returns a String representation of the receiver.
toString() - Method in class org.apache.mahout.math.jet.random.Uniform: Returns a String representation of the receiver.
toString() - Method in class org.apache.mahout.math.matrix.linalg.EigenvalueDecomposition: Deprecated. Returns a String with (propertyName, propertyValue) pairs.
toString() - Method in class org.apache.mahout.math.NamedVector
toString() - Method in class org.apache.mahout.math.QRDecomposition: Returns a rough string rendition of a QR.
toString() - Method in class org.apache.mahout.math.RandomAccessSparseVector
toString() - Method in class org.apache.mahout.math.SequentialAccessSparseVector
toString() - Method in class org.apache.mahout.math.SingularValueDecomposition: Returns a String with (propertyName, propertyValue) pairs.
toVector() - Method in class org.apache.mahout.math.matrix.DoubleMatrix1D: Deprecated.
toVector() - Method in class org.apache.mahout.math.matrix.impl.SparseDoubleMatrix1D: Deprecated.
TrainingState - Class in org.apache.mahout.math.decomposer.hebbian
transpose() - Method in class org.apache.mahout.math.AbstractMatrix
transpose() - Method in interface org.apache.mahout.math.Matrix: Return a new matrix that is the transpose of the receiver

U

Uniform - Class in org.apache.mahout.math.jet.random
Uniform(double, double, int) - Constructor for class org.apache.mahout.math.jet.random.Uniform: Constructs a uniform distribution with the given minimum and maximum, using a MersenneTwister seeded with the given seed.
Uniform(double, double, Random) - Constructor for class org.apache.mahout.math.jet.random.Uniform: Constructs a uniform distribution with the given minimum and maximum.
Uniform(Random) - Constructor for class org.apache.mahout.math.jet.random.Uniform: Constructs a uniform distribution with min=0.0 and max=1.0.
update(Vector, Vector, TrainingState) - Method in interface org.apache.mahout.math.decomposer.hebbian.EigenUpdater
update(Vector, Vector, TrainingState) - Method in class org.apache.mahout.math.decomposer.hebbian.HebbianUpdater
upperBandwidth(DoubleMatrix2D) - Method in class org.apache.mahout.math.matrix.linalg.Property: Deprecated. The upper bandwidth of a square matrix A is the maximum j-i for which A[i,j] is nonzero and j > i.
useTestSeed() - Static method in class org.apache.mahout.common.RandomUtils

V

valueOf(String) - Static method in enum org.apache.mahout.math.decomposer.lanczos.LanczosSolver.TimingSection

Returns the enum constant of this type with the specified name.

values() - Static method in enum org.apache.mahout.math.decomposer.lanczos.LanczosSolver.TimingSection

Returns an array containing the constants of this enum type, in the order they are declared.

vColumnFlip() - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix2D

Deprecated. Self modifying version of viewColumnFlip().

vDice() - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix2D

Deprecated. Self modifying version of viewDice().

vector() - Method in class org.apache.mahout.math.MatrixSlice

Vector - Interface in org.apache.mahout.math

The basic interface including numerous convenience functions

NOTE: All implementing classes must have a constructor that takes an int for cardinality and a no-arg constructor that can be used for marshalling the Writable instance

NOTE: Implementations may choose to reuse the Vector.Element in the Iterable methods

Vector.Element - Interface in org.apache.mahout.math

A holder for information about a specific item in the Vector.

VectorFunction - Interface in org.apache.mahout.math.function

Defines a function of a vector that returns a double.

VectorIterable - Interface in org.apache.mahout.math

VectorView - Class in org.apache.mahout.math

Implements subset view of a Vector

VectorView() - Constructor for class org.apache.mahout.math.VectorView

For serialization purposes only

VectorView(Vector, int, int) - Constructor for class org.apache.mahout.math.VectorView

VectorView.AllIterator - Class in org.apache.mahout.math

VectorView.NonZeroIterator - Class in org.apache.mahout.math

verify(VectorIterable, Vector) - Method in class org.apache.mahout.math.decomposer.AsyncEigenVerifier

verify(Matrix, Vector) - Method in class org.apache.mahout.math.decomposer.hebbian.HebbianSolver

verify(VectorIterable, Vector) - Method in class org.apache.mahout.math.decomposer.SimpleEigenVerifier

verify(VectorIterable, Vector) - Method in interface org.apache.mahout.math.decomposer.SingularVectorVerifier

view() - Method in class org.apache.mahout.math.matrix.DoubleMatrix1D

Deprecated. Constructs and returns a new view equal to the receiver.

view() - Method in class org.apache.mahout.math.matrix.DoubleMatrix2D

Deprecated. Constructs and returns a new view equal to the receiver.

viewColumn(int) - Method in class org.apache.mahout.math.AbstractMatrix

Returns a view of a row.

viewColumn(int) - Method in class org.apache.mahout.math.matrix.DoubleMatrix2D

Deprecated. Constructs and returns a new slice view representing the rows of the given column.

viewColumn(int) - Method in interface org.apache.mahout.math.Matrix

Return a reference to a column.

viewColumn(int) - Method in class org.apache.mahout.math.MatrixView

viewColumn(int) - Method in class org.apache.mahout.math.PivotedMatrix

Return the column at the given index

viewColumn(int) - Method in class org.apache.mahout.math.SparseColumnMatrix

viewColumnFlip() - Method in class org.apache.mahout.math.matrix.DoubleMatrix2D

Deprecated. Constructs and returns a new flip view along the column axis.

viewDiagonal() - Method in class org.apache.mahout.math.AbstractMatrix

Provides a view of the diagonal of a matrix.

viewDiagonal() - Method in class org.apache.mahout.math.DiagonalMatrix

Provides a view of the diagonal of a matrix.

viewDiagonal() - Method in interface org.apache.mahout.math.Matrix

Returns a reference to the diagonal of a matrix.

viewDice() - Method in class org.apache.mahout.math.matrix.DoubleMatrix2D

Deprecated. Constructs and returns a new dice (transposition) view; Swaps axes; example: 3 x 4 matrix --> 4 x 3 matrix.

viewPart(int, int, int, int) - Method in class org.apache.mahout.math.AbstractMatrix

viewPart(int, int) - Method in class org.apache.mahout.math.AbstractVector

viewPart(int[], int[]) - Method in class org.apache.mahout.math.DenseMatrix

viewPart(int, int, int, int) - Method in class org.apache.mahout.math.DenseMatrix

viewPart(int, int) - Method in class org.apache.mahout.math.DenseVector

viewPart(int[], int[]) - Method in class org.apache.mahout.math.DiagonalMatrix

Return a new matrix containing the subset of the recipient

viewPart(int, int) - Method in class org.apache.mahout.math.matrix.DoubleMatrix1D

Deprecated. Constructs and returns a new sub-range view that is a width sub matrix starting at index.

viewPart(int, int, int, int) - Method in class org.apache.mahout.math.matrix.DoubleMatrix2D

Deprecated. Constructs and returns a new sub-range view that is a height x width sub matrix starting at [row,column].

viewPart(int[], int[]) - Method in interface org.apache.mahout.math.Matrix

Return a view into part of a matrix.

viewPart(int, int, int, int) - Method in interface org.apache.mahout.math.Matrix

Return a view into part of a matrix.

viewPart(int[], int[]) - Method in class org.apache.mahout.math.MatrixView

viewPart(int, int) - Method in class org.apache.mahout.math.NamedVector

viewPart(int[], int[]) - Method in class org.apache.mahout.math.PivotedMatrix

Return a new matrix containing the subset of the recipient

viewPart(int[], int[]) - Method in class org.apache.mahout.math.RandomTrinaryMatrix

Return a new matrix containing the subset of the recipient

viewPart(int[], int[]) - Method in class org.apache.mahout.math.SparseColumnMatrix

viewPart(int[], int[]) - Method in class org.apache.mahout.math.SparseMatrix

viewPart(int[], int[]) - Method in class org.apache.mahout.math.SparseRowMatrix

viewPart(int, int) - Method in interface org.apache.mahout.math.Vector

Return a new vector containing the subset of the recipient

viewPart(int, int) - Method in class org.apache.mahout.math.VectorView

viewRow(int) - Method in class org.apache.mahout.math.AbstractMatrix

Returns a view of a row.

viewRow(int) - Method in class org.apache.mahout.math.DenseMatrix

viewRow(int) - Method in class org.apache.mahout.math.matrix.DoubleMatrix2D

Deprecated. Constructs and returns a new slice view representing the columns of the given row.

viewRow(int) - Method in interface org.apache.mahout.math.Matrix

Return a reference to a row.

viewRow(int) - Method in class org.apache.mahout.math.MatrixView

viewRow(int) - Method in class org.apache.mahout.math.PivotedMatrix

Return the row at the given index

viewRow(int) - Method in class org.apache.mahout.math.SparseMatrix

viewRow(int) - Method in class org.apache.mahout.math.SparseRowMatrix

viewRowFlip() - Method in class org.apache.mahout.math.matrix.DoubleMatrix2D

Deprecated. Constructs and returns a new flip view along the row axis.

viewSelection(int[], int[]) - Method in class org.apache.mahout.math.matrix.DoubleMatrix2D

Deprecated. Constructs and returns a new selection view that is a matrix holding the indicated cells.

viewSelectionLike(int[]) - Method in class org.apache.mahout.math.matrix.DoubleMatrix1D