com.rapidminer.tools.math.kernels
Class RBFKernel

java.lang.Object
  com.rapidminer.tools.math.kernels.Kernel
      com.rapidminer.tools.math.kernels.RBFKernel

All Implemented Interfaces:

java.io.Serializable

public class RBFKernel
extends Kernel

Returns the value of the RBF kernel of both examples.

Author:

Ingo Mierswa

See Also:

Serialized Form

Field Summary

Fields inherited from class com.rapidminer.tools.math.kernels.Kernel

KERNEL_ANOVA, KERNEL_DOT, KERNEL_EPANECHNIKOV, KERNEL_GAUSSIAN_COMBINATION, KERNEL_MULTIQUADRIC, KERNEL_POLYNOMIAL, KERNEL_RADIAL, KERNEL_SIGMOID, KERNEL_TYPES, PARAMETER_KERNEL_A, PARAMETER_KERNEL_B, PARAMETER_KERNEL_DEGREE, PARAMETER_KERNEL_GAMMA, PARAMETER_KERNEL_SHIFT, PARAMETER_KERNEL_SIGMA1, PARAMETER_KERNEL_SIGMA2, PARAMETER_KERNEL_SIGMA3, PARAMETER_KERNEL_TYPE

Constructor Summary

RBFKernel()

Method Summary

double	calculateDistance(double[] x1, double[] x2) Calculates kernel value of vectors x and y.
java.lang.String	getDistanceFormula(double[] x, java.lang.String[] attributeConstructions)
double	getGamma()
int	getType() Must return one out of KERNEL_DOT, KERNEL_RADIAL, KERNEL_POLYNOMIAL, KERNEL_SIGMOID, KERNEL_ANOVA, KERNEL_EPANECHNIKOV, KERNEL_GAUSSIAN_COMBINATION, or KERNEL_MULTIQUADRIC.
void	setGamma(double gamma)
java.lang.String	toString()

Methods inherited from class com.rapidminer.tools.math.kernels.Kernel

createKernel, getAttributeValues, getDistance, getParameters, getSum, init, innerProduct, norm2

Methods inherited from class java.lang.Object

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

Constructor Detail

RBFKernel

public RBFKernel()

Method Detail

getType

public int getType()

Description copied from class: Kernel

Must return one out of KERNEL_DOT, KERNEL_RADIAL, KERNEL_POLYNOMIAL, KERNEL_SIGMOID, KERNEL_ANOVA, KERNEL_EPANECHNIKOV, KERNEL_GAUSSIAN_COMBINATION, or KERNEL_MULTIQUADRIC.

Specified by:

getType in class Kernel

setGamma

public void setGamma(double gamma)

getGamma

public double getGamma()

calculateDistance

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

Calculates kernel value of vectors x and y.

Specified by:

calculateDistance in class Kernel

getDistanceFormula

public java.lang.String getDistanceFormula(double[] x,
                                           java.lang.String[] attributeConstructions)

Specified by:

getDistanceFormula in class Kernel

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object