org.apache.commons.nabla.differences
Class TwoPointsScheme

java.lang.Object
  org.apache.commons.nabla.differences.FiniteDifferencesDifferentiator
      org.apache.commons.nabla.differences.TwoPointsScheme

All Implemented Interfaces:

java.io.Serializable, UnivariateDifferentiator

public class TwoPointsScheme
extends FiniteDifferencesDifferentiator

Two-points finite differences scheme. The error model for the two-points scheme is h2/6 f(3)(x) + O(h4).

See Also:

Serialized Form

Constructor Summary

TwoPointsScheme(double h)
Build a 2-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.differences.FiniteDifferencesDifferentiator

getOrderFirstNonCanceled, getSignedErrorScaleFactor, getStepSize

Methods inherited from class java.lang.Object

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

Constructor Detail

TwoPointsScheme

public TwoPointsScheme(double h)

Build a 2-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