nl.tudelft.simulation.jstats.ode.integrators
Class Heun

java.lang.Object
  nl.tudelft.simulation.jstats.ode.integrators.NumericalIntegrator
      nl.tudelft.simulation.jstats.ode.integrators.Heun

public class Heun

extends NumericalIntegrator

The Heun numerical estimator.

(c) copyright 2003 Delft University of Technology , the Netherlands.
See for project information www.simulation.tudelft.nl
License of use: General Public License (GPL) , no warranty

Since:

1.4

Version:

1.2 Apr 20, 2004

Author:

Peter Jacobs

Field Summary

Fields inherited from class nl.tudelft.simulation.jstats.ode.integrators.NumericalIntegrator

ADAMS, DEFAULT_INTEGRATOR, equation, error, EULER, GILL, HEUN, MILNE, RUNGEKUTTA3, RUNGEKUTTA4, RUNGEKUTTACASHCARP, RUNGEKUTTAFEHLBERG, timeStep

Constructor Summary

Heun(double timeStep, DifferentialEquationInterface equation)
constructs a new Heun

Method Summary

double[]

next(double x, double[] y) computes the next value

Methods inherited from class nl.tudelft.simulation.jstats.ode.integrators.NumericalIntegrator

add, add, add, add, add, getError, getTimeStep, multiply, resolve, setTimeStep

Methods inherited from class java.lang.Object

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

Constructor Detail

Heun

public Heun(double timeStep,
            DifferentialEquationInterface equation)

constructs a new Heun

Parameters:

timeStep - the timeStep

equation - the equation

Method Detail

next

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

Description copied from class: NumericalIntegrator

computes the next value

Specified by:

next in class NumericalIntegrator

Parameters:

x - the x value corresponding to the last y-value computed

y - the last y value

Returns:

the new value

See Also:

#next(double, double[])