Catalano.Statistics.Kernels

Class SymmetricTriangle

java.lang.Object

Catalano.Statistics.Kernels.SymmetricTriangle

All Implemented Interfaces:

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

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

Symmetric Triangle Kernel.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
SymmetricTriangle() Constructs a new Symmetric Tirangle Kernel.
SymmetricTriangle(double gamma) Constructs a new Symmetric Tirangle 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

SymmetricTriangle

public SymmetricTriangle()

Constructs a new Symmetric Tirangle Kernel.

SymmetricTriangle

public SymmetricTriangle(double gamma)

Constructs a new Symmetric Tirangle 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.