Catalano.Statistics.Kernels

Class Linear

java.lang.Object

Catalano.Statistics.Kernels.Linear

All Implemented Interfaces:

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

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

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
Linear() Constructs a new Linear Kernel.
Linear(double constant) Constructs a new Linear kernel.

Method Summary

Modifier and Type	Method and Description
double	Function(double[] x, double[] y) Linear kernel function.
double	getConstant() Gets the kernel's intercept term.
void	setConstant(double value) Sets the kernel's intercept term.

Methods inherited from class java.lang.Object

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

Constructor Detail

Linear

public Linear(double constant)

Constructs a new Linear kernel.

Parameters:

constant - A constant intercept term. Default is 1.

Linear

public Linear()

Constructs a new Linear Kernel.

Method Detail

getConstant

public double getConstant()

Gets the kernel's intercept term.

Returns:

Kernel's intercept term.

setConstant

public void setConstant(double value)

Sets the kernel's intercept term.

Parameters:

value - Kernel's intercept term.

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.