Catalano.Statistics.Kernels

Class Gaussian

java.lang.Object

Catalano.Statistics.Kernels.Gaussian

All Implemented Interfaces:

IMercerKernel<double[]>, java.io.Serializable

public class Gaussian
extends java.lang.Object
implements IMercerKernel<double[]>

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
Gaussian() Constructs a new Gaussian Kernel.
Gaussian(double gamma) Constructs a new Gaussian Kernel.

Method Summary

Modifier and Type	Method and Description
double	Function(double[] x, double[] y) Gaussian Kernel function.
double	getGamma() Gets the gamma value for the kernel.
void	setGamma(double gamma) Sets the gamma value for the kernel.

Methods inherited from class java.lang.Object

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

Constructor Detail

Gaussian

public Gaussian()

Constructs a new Gaussian Kernel.

Gaussian

public Gaussian(double gamma)

Constructs a new Gaussian Kernel.

Parameters:

gamma - The smooth of the Gaussian Kernel.

Method Detail

getGamma

public double getGamma()

Gets the gamma value for the kernel.

Returns:

Gamma value.

setGamma

public void setGamma(double gamma)

Sets the gamma value for the kernel.

Parameters:

gamma - Gamma value.

Function

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

Gaussian Kernel function.

Specified by:

Function in interface IMercerKernel<double[]>

Parameters:

x - Vector x in input space.

y - Vector y in input space.

Returns:

Dot product in feature (kernel) space.