Catalano.Statistics.Kernels

Class ThinPlateSpline

java.lang.Object

Catalano.Statistics.Kernels.ThinPlateSpline

All Implemented Interfaces:

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

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

Thin Plate Spline Kernel. Thin plate splines (TPS) are a spline-based technique for data interpolation and smoothing.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
ThinPlateSpline() Constructs a new ThinPlateSpline Kernel.
ThinPlateSpline(double sigma) Constructs a new ThinPlateSpline Kernel.

Method Summary

Modifier and Type	Method and Description
double	Function(double[] x, double[] y) The kernel function.
double	getSigma() Get sigma.
void	setSigma(double sigma) Set sigma.

Methods inherited from class java.lang.Object

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

Constructor Detail

ThinPlateSpline

public ThinPlateSpline()

Constructs a new ThinPlateSpline Kernel.

ThinPlateSpline

public ThinPlateSpline(double sigma)

Constructs a new ThinPlateSpline Kernel.

Parameters:

sigma - Sigma.

Method Detail

getSigma

public double getSigma()

Get sigma.

Returns:

Sigma.

setSigma

public void setSigma(double sigma)

Set sigma.

Parameters:

sigma - Sigma.

Function

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

Description copied from interface: IMercerKernel

The 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.