Catalano.Statistics.Kernels

Class Power

java.lang.Object

Catalano.Statistics.Kernels.Power

All Implemented Interfaces:

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

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

Power Kernel. Also known as the (Unrectified) Triangular Kernel.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
Power(double degree) Constructs a new Power kernel.

Method Summary

Modifier and Type	Method and Description
double	Function(double[] x, double[] y) Linear kernel function.
double	getDegree() Gets the kernel's degree.
void	setDegree(double degree) Sets the kernel's degree.

Methods inherited from class java.lang.Object

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

Constructor Detail

Power

public Power(double degree)

Constructs a new Power kernel.

Parameters:

degree - A constant intercept term. Default is 1.

Method Detail

getDegree

public double getDegree()

Gets the kernel's degree.

Returns:

Kernel's degree.

setDegree

public void setDegree(double degree)

Sets the kernel's degree.

Parameters:

degree - Kernel's degree.

Function

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

Linear 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.