org.jscience.physics.nuclear.kinematics.math
Class RungeKutta4

java.lang.Object
  org.jscience.physics.nuclear.kinematics.math.RungeKutta4

public class RungeKutta4
extends java.lang.Object

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Constructor Summary

RungeKutta4(DiffEquations de)
Creates a new RungeKutta4 object.

Method Summary

double[]	dumbIntegral(double start, double end, double[] initValues, int numberOfSteps) DOCUMENT ME!
void	setVariables(double evaluateAt, double[] initialValues, double interval) See numerical recipes Section 16.1
double[]	step() Almost verbatim routine rk4 in Numerical Recipes.

Methods inherited from class java.lang.Object

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

Constructor Detail

RungeKutta4

public RungeKutta4(DiffEquations de)

Creates a new RungeKutta4 object.

Parameters:

de - DOCUMENT ME!

Method Detail

setVariables

public void setVariables(double evaluateAt,
                         double[] initialValues,
                         double interval)

See numerical recipes Section 16.1

Parameters:

evaluateAt - DOCUMENT ME!

initialValues - DOCUMENT ME!

interval - DOCUMENT ME!

step

public double[] step()

Almost verbatim routine rk4 in Numerical Recipes.

Returns:

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dumbIntegral

public double[] dumbIntegral(double start,
                             double end,
                             double[] initValues,
                             int numberOfSteps)

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Parameters:

start - DOCUMENT ME!

end - DOCUMENT ME!

initValues - DOCUMENT ME!

numberOfSteps - DOCUMENT ME!

Returns:

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