edu.udo.cs.myRVM.Kernel
Class Kernel

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

Direct Known Subclasses:

KernelEpanechnikov, KernelGaussianCombination, KernelMultiquadric, KernelRadial, KernelSigmoid

public abstract class Kernel
extends java.lang.Object

Abstract base class for all RVM / GP kernels. Please note that all kernel functions must have a zero argument constructor.

Version:

$Id: Kernel.java,v 1.4 2006/08/03 14:39:37 ingomierswa Exp $

Author:

Piotr Kasprzak, Ingo Mierswa

Constructor Summary

Kernel()
Constructor(s)

Method Summary

abstract double	eval(double[] x, double[] y) Evaluate kernel
double	norm2(double[] x, double[] y) Calculates l2-norm(x, y)^2 = ||x - y||^2
static Kernel	readKernel(java.io.ObjectInputStream in) Read kernel from stream
abstract void	readKernelData(java.io.ObjectInputStream in)
void	writeKernel(java.io.ObjectOutputStream out) Write kernel to stream
abstract void	writeKernelData(java.io.ObjectOutputStream out)

Methods inherited from class java.lang.Object

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

Constructor Detail

Kernel

public Kernel()

Constructor(s)

Method Detail

eval

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

Evaluate kernel

writeKernelData

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

Throws:

java.io.IOException

readKernelData

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

Throws:

java.io.IOException

norm2

public double norm2(double[] x,
                    double[] y)

Calculates l2-norm(x, y)^2 = ||x - y||^2

writeKernel

public final void writeKernel(java.io.ObjectOutputStream out)
                       throws java.io.IOException

Write kernel to stream

Throws:

java.io.IOException

readKernel

public static Kernel readKernel(java.io.ObjectInputStream in)
                         throws java.io.IOException

Read kernel from stream

Throws:

java.io.IOException