com.rapidminer.tools.math.kernels
Class PolynomialKernel

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

All Implemented Interfaces:

java.io.Serializable

public class PolynomialKernel
extends Kernel

Returns the value of a Polynomial 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

PolynomialKernel()

Method Summary

double	calculateDistance(double[] x1, double[] x2) Subclasses must implement this method.
double	getDegree()
java.lang.String	getDistanceFormula(double[] x, java.lang.String[] attributeConstructions)
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	setPolynomialParameters(double degree, double shift) Sets the used polynomial parameters.
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

PolynomialKernel

public PolynomialKernel()

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

getDegree

public double getDegree()

setPolynomialParameters

public void setPolynomialParameters(double degree,
                                    double shift)

Sets the used polynomial parameters.

calculateDistance

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

Subclasses must implement this method.

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