com.numericalmethod.suanshu.analysis.differentiation.univariate
Class DGaussian

java.lang.Object
  com.numericalmethod.suanshu.analysis.function.rn2r1.UnivariateRealFunction
      com.numericalmethod.suanshu.analysis.differentiation.univariate.DGaussian

All Implemented Interfaces:

Function, RealScalarFunction

public class DGaussian
extends UnivariateRealFunction

This class computes the first order derivative function of the Gaussian function.

See Also:

Gaussian

Nested Class Summary

Nested classes/interfaces inherited from interface com.numericalmethod.suanshu.analysis.function.Function

Function.EvaluationException

Field Summary

Gaussian

g the Gaussian function to take the derivative of

Constructor Summary

DGaussian(Gaussian g)
Construct the derivative function of the Gaussian function.

Method Summary

double

evaluate(double x) Evaluate the derivative of the Gaussian function.

Methods inherited from class com.numericalmethod.suanshu.analysis.function.rn2r1.UnivariateRealFunction

dimension4Domain, dimension4Range, evaluate

Methods inherited from class java.lang.Object

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

Field Detail

g

public final Gaussian g

the Gaussian function to take the derivative of

Constructor Detail

DGaussian

public DGaussian(Gaussian g)

Construct the derivative function of the Gaussian function.

Parameters:

g - a Gaussian function

Method Detail

evaluate

public double evaluate(double x)

Evaluate the derivative of the Gaussian function.

Specified by:

evaluate in class UnivariateRealFunction

Parameters:

x - x

Returns:

the derivative of the Gaussian function