de.aitools.ir.retrievalmodels.representer
Class LatentSemanticIndexing.FixedReductionStrategyImpl

java.lang.Object
  de.aitools.ir.retrievalmodels.representer.LatentSemanticIndexing.FixedReductionStrategyImpl

Enclosing class:

LatentSemanticIndexing

public class LatentSemanticIndexing.FixedReductionStrategyImpl
extends java.lang.Object

Reduces the matrix to the given rank. If the rank of the matrix is already below the given rank, nothing happens at all.

Constructor Summary

LatentSemanticIndexing.FixedReductionStrategyImpl()

LatentSemanticIndexing.FixedReductionStrategyImpl(int desiredDimension)

Method Summary

int	reduce()
int	reduce(int dimension) Reduces the matrix to a new rank given by dimension.

Methods inherited from class java.lang.Object

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

Constructor Detail

LatentSemanticIndexing.FixedReductionStrategyImpl

public LatentSemanticIndexing.FixedReductionStrategyImpl(int desiredDimension)

Parameters:

desiredDimension - the reduced rank of the matrix

LatentSemanticIndexing.FixedReductionStrategyImpl

public LatentSemanticIndexing.FixedReductionStrategyImpl()

Method Detail

reduce

public int reduce()

reduce

public int reduce(int dimension)

Reduces the matrix to a new rank given by dimension. If the new dimension is greater than the original rank, the matrix will not be modified.

Parameters:

dimension - the reduced rank of the matrix

Returns:

the new dimension of the matrix