pt.tumba.ngram.svm
Class SVCQ

java.lang.Object
  pt.tumba.ngram.svm.Kernel
      pt.tumba.ngram.svm.SVCQ

 class SVCQ
extends Kernel

Inner class representing a Kernel matrix for Support Vector classification.

Field Summary

private Cache	cache
private byte[]	y

Constructor Summary

SVCQ(SVMProblem prob, SVMParameter param, byte[] y_)

Method Summary

(package private) float[]	getQ(int i, int len) Return one column of the Kernel matrix.
(package private) void	swapIndex(int i, int j) Swap two nodes of the Kernel matrix.

Methods inherited from class pt.tumba.ngram.svm.Kernel

dot, kernelFunction, kernelFunction

Methods inherited from class java.lang.Object

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

Field Detail

y

private final byte[] y

cache

private final Cache cache

Constructor Detail

SVCQ

SVCQ(SVMProblem prob,
     SVMParameter param,
     byte[] y_)

Method Detail

getQ

float[] getQ(int i,
             int len)

Description copied from class: Kernel

Return one column of the Kernel matrix.

Specified by:

getQ in class Kernel

Parameters:

i - The column of the kernel matrix.

len - The nu

Returns:

One column of the Kernel matrix.

swapIndex

void swapIndex(int i,
               int j)

Description copied from class: Kernel

Swap two nodes of the Kernel matrix.

Overrides:

swapIndex in class Kernel