C# Class Accord.Statistics.Kernels.Quadratic

Inheritance: Accord.Statistics.Kernels.KernelBase, IKernel, IDistance, IReverseDistance, ICloneable, ITransform

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 input space between two points given in feature space.
Function ( double z ) : double	Quadratic kernel function.
Function ( double x, double y ) : double	Quadratic kernel function.
Quadratic ( ) : System	Constructs a new Quadratic kernel.
Quadratic ( double constant ) : System	Constructs a new Quadratic kernel.
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, 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 input space between two points given in feature space.

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

Quadratic kernel function.

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

Quadratic 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 Quadratic kernel.

public Quadratic ( ) : System
return	System

Constructs a new Quadratic kernel.

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