Catalano.Statistics.Kernels

Class Hypersecant

java.lang.Object

Catalano.Statistics.Kernels.Hypersecant

All Implemented Interfaces:

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

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

Hyperbolic Secant Kernel.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
Hypersecant(double gamma) Constructs a new Hyperbolic Secant Kernel

Method Summary

Modifier and Type	Method and Description
double	Function(double[] x, double[] y) The 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

Hypersecant

public Hypersecant(double gamma)

Constructs a new Hyperbolic Secant Kernel

Parameters:

gamma - Gamma value for the 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)

Description copied from interface: IMercerKernel

The 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.