edu.udo.cs.myRVM.Kernel
Class KernelRadial

java.lang.Object
  edu.udo.cs.myRVM.Kernel.Kernel
      edu.udo.cs.myRVM.Kernel.KernelRadial

Direct Known Subclasses:

KernelCauchy, KernelLaplace, KernelPoly

public class KernelRadial
extends Kernel

Radial basis function (rbf) kernel: K(x, y) = exp(-lengthScale^{-2} * ||x - y||^2)

Version:

$Id: KernelRadial.java,v 1.7 2006/09/30 00:05:31 ingomierswa Exp $

Author:

Piotr Kasprzak

Field Summary

protected double

lengthScale LengthScale parameter

Constructor Summary

KernelRadial()

KernelRadial(double lengthScale)
Constructor(s)

Method Summary

double	eval(double[] x, double[] y) evaluate kernel
void	readKernelData(java.io.ObjectInputStream in) Read kernel from stream
java.lang.String	toString()
void	writeKernelData(java.io.ObjectOutputStream out) Write kernel to stream

Methods inherited from class edu.udo.cs.myRVM.Kernel.Kernel

norm2, readKernel, writeKernel

Methods inherited from class java.lang.Object

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

Field Detail

lengthScale

protected double lengthScale

LengthScale parameter

Constructor Detail

KernelRadial

public KernelRadial(double lengthScale)

Constructor(s)

KernelRadial

public KernelRadial()

Method Detail

eval

public double eval(double[] x,
                   double[] y)

evaluate kernel

Specified by:

eval in class Kernel

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

writeKernelData

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

Write kernel to stream

Specified by:

writeKernelData in class Kernel

Throws:

java.io.IOException

readKernelData

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

Read kernel from stream

Specified by:

readKernelData in class Kernel

Throws:

java.io.IOException