uk.ac.gla.dcs.renaissance.kqpr
Class IncrementalKernelEVD<T extends KernelVector>

java.lang.Object
  uk.ac.gla.dcs.renaissance.kqpr.IncrementalKernelEVD<T>

All Implemented Interfaces:

KernelEVD<T>

public class IncrementalKernelEVD<T extends KernelVector>
extends Object
implements KernelEVD<T>

Implementation of the kernel EVD. The product of an EVD can be used by to build a density or a subspace.

Author:

B. Piwowarski

Constructor Summary

IncrementalKernelEVD(KernelVectorList<T> vectors)
Creates a new incremental EVD

Method Summary

void	add(double alpha, T u) Add a new vector to the decomposition, i.e.
bpiwowar.maths.matrix.DiagonalDoubleMatrix	getEigenValues()
KernelVectorList<T>	getX() Get the list of vectors
bpiwowar.maths.matrix.DenseDoubleMatrix2D	getY()
bpiwowar.maths.matrix.DenseDoubleMatrix2D	getZ()

Methods inherited from class java.lang.Object

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

Constructor Detail

IncrementalKernelEVD

public IncrementalKernelEVD(KernelVectorList<T> vectors)

Creates a new incremental EVD

Parameters:

vectors - An empty kernel vector list

Method Detail

getX

public KernelVectorList<T> getX()

Description copied from interface: KernelEVD

Get the list of vectors

Specified by:

getX in interface KernelEVD<T extends KernelVector>

Returns:

getY

public bpiwowar.maths.matrix.DenseDoubleMatrix2D getY()

Specified by:

getY in interface KernelEVD<T extends KernelVector>

getZ

public bpiwowar.maths.matrix.DenseDoubleMatrix2D getZ()

Specified by:

getZ in interface KernelEVD<T extends KernelVector>

getEigenValues

public bpiwowar.maths.matrix.DiagonalDoubleMatrix getEigenValues()

Specified by:

getEigenValues in interface KernelEVD<T extends KernelVector>

add

public void add(double alpha,
                T u)

Description copied from interface: KernelEVD

Add a new vector to the decomposition, i.e. A = A + alpha v v^T

Specified by:

add in interface KernelEVD<T extends KernelVector>

Parameters:

alpha - The coefficient for the update

u - The vector v