org.encog.mathutil.rbf
Class GaussianFunction

java.lang.Object
  org.encog.mathutil.rbf.BasicRBF
      org.encog.mathutil.rbf.GaussianFunction

All Implemented Interfaces:

Serializable, RadialBasisFunction

public class GaussianFunction
extends BasicRBF

Multi-dimensional gaussian function. Do not use this to implement a 1d function, simply use GaussianFunction for that.

See Also:

Serialized Form

Constructor Summary

GaussianFunction()
Default constructor, used for reflection.

GaussianFunction(double peak, double[] center, double width)
Construct a multi-dimension Gaussian function with the specified peak, centers and widths.

GaussianFunction(double center, double peak, double width)
Construct a single-dimension Gaussian function with the specified peak, centers and widths.

GaussianFunction(int dimensions)
Create centered at zero, width 0, and peak 0.

Method Summary

double

calculate(double[] x) Calculate the result from the function.

Methods inherited from class org.encog.mathutil.rbf.BasicRBF

getCenter, getCenters, getDimensions, getPeak, getWidth, setCenters, setPeak, setWidth, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

GaussianFunction

public GaussianFunction()

Default constructor, used for reflection.

GaussianFunction

public GaussianFunction(double center,
                        double peak,
                        double width)

Construct a single-dimension Gaussian function with the specified peak, centers and widths.

Parameters:

peak - The peak for all dimensions.

center - The centers for each dimension.

width - The widths for each dimension.

GaussianFunction

public GaussianFunction(double peak,
                        double[] center,
                        double width)

Construct a multi-dimension Gaussian function with the specified peak, centers and widths.

Parameters:

peak - The peak for all dimensions.

center - The centers for each dimension.

width - The widths for each dimension.

GaussianFunction

public GaussianFunction(int dimensions)

Create centered at zero, width 0, and peak 0.

Parameters:

dimensions - The number of dimensions.

Method Detail

calculate

public final double calculate(double[] x)

Calculate the result from the function.

Parameters:

x - The parameters for the function, one for each dimension.

Returns:

The result of the function.