org.apache.commons.nabla.numerical
Class FourPointsScheme

java.lang.Object
  org.apache.commons.nabla.numerical.FiniteDifferencesDifferentiator
      org.apache.commons.nabla.numerical.FourPointsScheme

All Implemented Interfaces:

Serializable, UnivariateDifferentiator

public class FourPointsScheme
extends FiniteDifferencesDifferentiator

Four-points finite differences scheme. The error model for the four-points scheme is -2h4/5 f(5)(x) + O(h6).

See Also:

Serialized Form

Constructor Summary

FourPointsScheme(double h)
Build a 4-points finite differences scheme.

Method Summary

UnivariateDerivative

differentiate(UnivariateDifferentiable d) Create an implementation of a differential for a differentiable function.

Methods inherited from class org.apache.commons.nabla.numerical.FiniteDifferencesDifferentiator

getOrderFirstNonCanceled, getSignedErrorScaleFactor, getStepSize

Methods inherited from class java.lang.Object

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

Constructor Detail

FourPointsScheme

public FourPointsScheme(double h)

Build a 4-points finite differences scheme.

Parameters:

h - differences step size

Method Detail

differentiate

public UnivariateDerivative differentiate(UnivariateDifferentiable d)

Create an implementation of a differential for a differentiable function.

Parameters:

d - differentiable function to differentiate

Returns:

derivative function