com.rapidminer.operator.learner.functions.kernel.rvm.kernel
Class Kernel

java.lang.Object
  com.rapidminer.operator.learner.functions.kernel.rvm.kernel.Kernel

All Implemented Interfaces:

java.io.Serializable

Direct Known Subclasses:

KernelEpanechnikov, KernelGaussianCombination, KernelMultiquadric, KernelRadial, KernelSigmoid

public abstract class Kernel
extends java.lang.Object
implements java.io.Serializable

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

Author:

Piotr Kasprzak, Ingo Mierswa

See Also:

Serialized Form

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

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

norm2

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

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