edu.udo.cs.yale.operator.learner.kernel.evosvm
Class GaussianCombinationKernel

java.lang.Object
  edu.udo.cs.yale.operator.learner.kernel.evosvm.Kernel
      edu.udo.cs.yale.operator.learner.kernel.evosvm.GaussianCombinationKernel

public class GaussianCombinationKernel
extends Kernel

Returns the value of the Gaussian combination kernel of both examples.

Version:

$Id: GaussianCombinationKernel.java,v 1.4 2006/08/26 14:49:38 ingomierswa Exp $

Author:

Ingo Mierswa

Field Summary

private double	sigma1 The parameter sigma1 of the Gaussian combination kernel.
private double	sigma2 The parameter sigma2 of the Gaussian combination kernel.
private double	sigma3 The parameter sigma3 of the Gaussian combination kernel.

Fields inherited from class edu.udo.cs.yale.operator.learner.kernel.evosvm.Kernel

KERNEL_DOT, KERNEL_EPANECHNIKOV, KERNEL_GAUSSIAN_COMBINATION, KERNEL_MULTIQUADRIC, KERNEL_POLYNOMIAL, KERNEL_RADIAL, KERNEL_SIGMOID, KERNEL_TYPES

Constructor Summary

GaussianCombinationKernel()

Method Summary

double	calculateDistance(double[] x1, double[] x2) Calculates kernel value of vectors x and y.
double	getSigma1()
double	getSigma2()
double	getSigma3()
int	getType() Must return one out of KERNEL_DOT, KERNEL_RADIAL, KERNEL_POLYNOMIAL, or KERNEL_SIGMOID.
void	readKernelParameters(java.io.ObjectInputStream in) Reads the sigma values from the given stream.
void	setSigma1(double sigma1)
void	setSigma2(double sigma2)
void	setSigma3(double sigma3)
void	writeKernelParameters(java.io.ObjectOutputStream out) Writes the sigma values into the given stream.

Methods inherited from class edu.udo.cs.yale.operator.learner.kernel.evosvm.Kernel

createKernel, createKernel, getDistance, getSum, init, innerProduct, norm2, readKernelData, writeKernelData

Methods inherited from class java.lang.Object

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

Field Detail

sigma1

private double sigma1

The parameter sigma1 of the Gaussian combination kernel.

sigma2

private double sigma2

The parameter sigma2 of the Gaussian combination kernel.

sigma3

private double sigma3

The parameter sigma3 of the Gaussian combination kernel.

Constructor Detail

GaussianCombinationKernel

public GaussianCombinationKernel()

Method Detail

getType

public int getType()

Description copied from class: Kernel

Must return one out of KERNEL_DOT, KERNEL_RADIAL, KERNEL_POLYNOMIAL, or KERNEL_SIGMOID.

Specified by:

getType in class Kernel

setSigma1

public void setSigma1(double sigma1)

setSigma2

public void setSigma2(double sigma2)

setSigma3

public void setSigma3(double sigma3)

getSigma1

public double getSigma1()

getSigma2

public double getSigma2()

getSigma3

public double getSigma3()

calculateDistance

public double calculateDistance(double[] x1,
                                double[] x2)

Calculates kernel value of vectors x and y.

Specified by:

calculateDistance in class Kernel

readKernelParameters

public void readKernelParameters(java.io.ObjectInputStream in)
                          throws java.io.IOException

Reads the sigma values from the given stream.

Specified by:

readKernelParameters in class Kernel

Throws:

java.io.IOException

writeKernelParameters

public void writeKernelParameters(java.io.ObjectOutputStream out)
                           throws java.io.IOException

Writes the sigma values into the given stream.

Specified by:

writeKernelParameters in class Kernel

Throws:

java.io.IOException