org.carrot2.matrix.factorization

Class PartialSingularValueDecompositionFactory

java.lang.Object

org.carrot2.matrix.factorization.PartialSingularValueDecompositionFactory

All Implemented Interfaces:

IMatrixFactorizationFactory

public class PartialSingularValueDecompositionFactory
extends Object
implements IMatrixFactorizationFactory

Factory for PartialSingularValueDecompositions.

Field Summary

Fields

Modifier and Type	Field and Description
protected static int	DEFAULT_K The default desired number of base vectors
protected int	k The desired number of base vectors

Constructor Summary

Constructors

Constructor and Description
PartialSingularValueDecompositionFactory() Creates the factory that creates factorizations that compute the maximum number of base vectors.

Method Summary

Methods

Modifier and Type	Method and Description
IMatrixFactorization	factorize(org.apache.mahout.math.matrix.DoubleMatrix2D A) Factorizes matrix A.
int	getK() Returns the number of base vectors k .
void	setK(int k) Sets the number of base vectors k .

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

k

protected int k

The desired number of base vectors

DEFAULT_K

protected static final int DEFAULT_K

The default desired number of base vectors

See Also:

Constant Field Values

Constructor Detail

PartialSingularValueDecompositionFactory

public PartialSingularValueDecompositionFactory()

Creates the factory that creates factorizations that compute the maximum number of base vectors.

Method Detail

factorize

public IMatrixFactorization factorize(org.apache.mahout.math.matrix.DoubleMatrix2D A)

Description copied from interface: IMatrixFactorizationFactory

Factorizes matrix A.

Specified by:

factorize in interface IMatrixFactorizationFactory

Parameters:

A - matrix to be factorized.

setK

public void setK(int k)

Sets the number of base vectors k .

Parameters:

k - the number of base vectors

getK

public int getK()

Returns the number of base vectors k .