C# Class Accord.Statistics.Kernels.Polynomial

Polynomial Kernel

Inheritance: IKernel

Public Methods

Method	Description
Clone ( ) : object	Creates a new object that is a copy of the current instance.
Distance ( double x, double y ) : double	Computes the squared distance in feature space between two points given in input space.
Function ( double z ) : double	Polynomial kernel function.
Function ( double x, double y ) : double	Polynomial kernel function.
Polynomial ( int degree ) : System	Constructs a new Polynomial kernel of a given degree.
Polynomial ( int degree, double constant ) : System	Constructs a new Polynomial kernel of a given degree.
ReverseDistance ( double x, double y ) : double	Computes the distance in input space between two points given in feature space.
Transform ( double input ) : double[]	Projects an input point into feature space.
Transform ( double input, int degree, double constant ) : double[]	Projects an input point into feature space.

Creates a new object that is a copy of the current instance.

public Clone ( ) : object
return	object

Computes the squared distance in feature space between two points given in input space.

public Distance ( double x, double y ) : double
x	double	Vector x in input space.
y	double	Vector y in input space.
return	double

Polynomial kernel function.

public Function ( double z ) : double
z	double	Distance z in input space.
return	double

Polynomial kernel function.

public Function ( double x, double y ) : double
x	double	Vector x in input space.
y	double	Vector y in input space.
return	double

Constructs a new Polynomial kernel of a given degree.

public Polynomial ( int degree ) : System
degree	int	The polynomial degree for this kernel.
return	System

Constructs a new Polynomial kernel of a given degree.

public Polynomial ( int degree, double constant ) : System
degree	int	The polynomial degree for this kernel.
constant	double	The polynomial constant for this kernel. Default is 1.
return	System

Computes the distance in input space between two points given in feature space.

public ReverseDistance ( double x, double y ) : double
x	double	Vector x in feature (kernel) space.
y	double	Vector y in feature (kernel) space.
return	double

Projects an input point into feature space.

public Transform ( double input ) : double[]
input	double	The input point to be projected into feature space.
return	double[]

Projects an input point into feature space.

public static Transform ( double input, int degree, double constant ) : double[]
input	double	The input point to be projected into feature space.
degree	int	The parameter of the kernel.
constant	double	The parameter of the kernel.
return	double[]