Package nl.tudelft.simulation.jstats.ode.integrators

Class RungeKutta4

java.lang.Object

nl.tudelft.simulation.jstats.ode.integrators.NumericalIntegrator

nl.tudelft.simulation.jstats.ode.integrators.RungeKutta4

All Implemented Interfaces:

Serializable

public class RungeKutta4
extends NumericalIntegrator

The RungeKutta4 numerical integrator.

Copyright (c) 2002-2024 Delft University of Technology, Jaffalaan 5, 2628 BX Delft, the Netherlands. All rights reserved. See for project information https://simulation.tudelft.nl. The DSOL project is distributed under a three-clause BSD-style license, which can be found at https://https://simulation.tudelft.nl/dsol/docs/latest/license.html.

Author:

Alexander Verbraeck, Peter Jacobs

See Also:

• Serialized Form

Field Summary

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

equation, error, stepSize

Constructor Summary

Constructors

Constructor	Description
RungeKutta4(double stepSize, DifferentialEquationInterface equation)	constructs a new RungeKutta4.

Method Summary

Modifier and Type	Method	Description
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, getStepSize, multiply, setStepSize

Methods inherited from class java.lang.Object

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

Constructor Details

RungeKutta4

public RungeKutta4(double stepSize,
 DifferentialEquationInterface equation)

constructs a new RungeKutta4.

Parameters:

stepSize - double; the stepSize

equation - DifferentialEquationInterface; the differentialEquation

Method Details

next

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

computes the next value.

Specified by:

next in class NumericalIntegrator

Parameters:

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

y - double[]; the last y value

Returns:

the new value