Catalano.Statistics.Kernels

Class SquaredSinc

java.lang.Object

Catalano.Statistics.Kernels.SquaredSinc

All Implemented Interfaces:

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

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

Squared Sinc Kernel.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
SquaredSinc() Constructs a new Squared Sinc Kernel.
SquaredSinc(double gamma) Constructs a new Squared Sinc Kernel.

Method Summary

Modifier and Type	Method and Description
double	Function(double[] x, double[] y) The kernel function.
double	getGamma() Get the kernel's gamma value.
void	setGamma(double value) Set the kernel's gamma value.

Methods inherited from class java.lang.Object

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

Constructor Detail

SquaredSinc

public SquaredSinc()

Constructs a new Squared Sinc Kernel.

SquaredSinc

public SquaredSinc(double gamma)

Constructs a new Squared Sinc Kernel.

Parameters:

gamma - Gamma value.

Method Detail

getGamma

public double getGamma()

Get the kernel's gamma value.

Returns:

The kernel's gamma value.

setGamma

public void setGamma(double value)

Set the kernel's gamma value.

Parameters:

value - The kernel's 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.