it.uniroma2.sag.kelp.kernel.standard

Class PolynomialKernel

java.lang.Object

it.uniroma2.sag.kelp.kernel.Kernel

it.uniroma2.sag.kelp.kernel.KernelComposition

it.uniroma2.sag.kelp.kernel.standard.PolynomialKernel

public class PolynomialKernel
extends KernelComposition

Field Summary

Fields inherited from class it.uniroma2.sag.kelp.kernel.KernelComposition

baseKernel

Constructor Summary

Constructors

Constructor and Description
PolynomialKernel()
PolynomialKernel(float degree, float a, float b, Kernel inputSpace)
PolynomialKernel(float degree, Kernel inputSpace)

Method Summary

Methods

Modifier and Type	Method and Description
float	getA()
float	getB()
float	getDegree()
protected float	kernelComputation(Example exA, Example exB) Returns the kernel similarity between the given examples.
void	setA(float a)
void	setB(float b)
void	setDegree(float degree)

Methods inherited from class it.uniroma2.sag.kelp.kernel.KernelComposition

getBaseKernel, setBaseKernel

Methods inherited from class it.uniroma2.sag.kelp.kernel.Kernel

disableCache, getKernelCache, getKernelComputations, getNumberOfHits, getNumberOfMisses, getSquaredNormCache, innerProduct, load, reset, save, setKernelCache, setSquaredNormCache, squaredNorm, squaredNormOfTheDifference

Methods inherited from class java.lang.Object

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

Constructor Detail

PolynomialKernel

public PolynomialKernel(float degree,
                float a,
                float b,
                Kernel inputSpace)

PolynomialKernel

public PolynomialKernel(float degree,
                Kernel inputSpace)

PolynomialKernel

public PolynomialKernel()

Method Detail

kernelComputation

protected float kernelComputation(Example exA,
                      Example exB)

Description copied from class: Kernel

Returns the kernel similarity between the given examples. This corresponds to the inner product in the implicit Reproducing Kernel Hilbert Space (RKHS)

Specified by:

kernelComputation in class Kernel

Parameters:

exA - the first example

exB - the second example

Returns:

the kernel operation between exA and exB

getDegree

public float getDegree()

Returns:

the degree

setDegree

public void setDegree(float degree)

Parameters:

degree - the degree to set

getA

public float getA()

Returns:

the a

setA

public void setA(float a)

Parameters:

a - the a to set

getB

public float getB()

Returns:

the b

setB

public void setB(float b)

Parameters:

b - the b to set