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

protected static int	DEFAULT_K The default desired number of base vectors
protected int	k The desired number of base vectors

Constructor Summary

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

Method Summary

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 .