org.simulator.math.odes
Class RungeKutta_EventSolver

java.lang.Object
  org.simulator.math.odes.AbstractDESSolver
      org.simulator.math.odes.RungeKutta_EventSolver

All Implemented Interfaces:

Serializable, EventHandler, DelayValueHolder, DESSolver

public class RungeKutta_EventSolver
extends AbstractDESSolver

Runge-Kutta method.

Since:

0.9

Version:

$Rev: 203 $

Author:

Andreas Dräger

See Also:

Serialized Form

Field Summary

protected double[]	kHelp Helper variable for the k values.
protected double[][]	kVals Stores temporary results for the fourth-order Runge-Kutta method.

Fields inherited from interface org.apache.commons.math.ode.events.EventHandler

CONTINUE, RESET_DERIVATIVES, RESET_STATE, STOP

Constructor Summary

RungeKutta_EventSolver()
default constructor

RungeKutta_EventSolver(double stepSize)

RungeKutta_EventSolver(double stepSize, boolean nonnegative)

RungeKutta_EventSolver(RungeKutta_EventSolver rkEventSolver)
clone constructor

Method Summary

RungeKutta_EventSolver	clone()
double[]	computeChange(DESystem DES, double[] yTemp, double t, double h, double[] change, boolean steadyState) Computes the change for a given system at the current time with the current setting for the integration step size.
String	getName() This gives a human-readable name of this solver that can be displayed in a graphical user interface.
protected boolean	hasSolverEventProcessing()

Methods inherited from class org.simulator.math.odes.AbstractDESSolver

additionalResults, addPropertyChangeListener, computeDelayedValue, eventOccurred, firePropertyChange, g, getSerialversionuid, getStepSize, inBetweenSteps, initResultMatrix, initResultMatrix, initResultMatrix, isIncludeIntermediates, isNonnegative, isUnstable, processEvents, processEventsAndRules, processRules, removePropertyChangeListener, reset, resetState, setIncludeIntermediates, setNonnegative, setStepSize, setUnstableFlag, solve, solve, solve, solve

Methods inherited from class java.lang.Object

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

Field Detail

kVals

protected transient double[][] kVals

Stores temporary results for the fourth-order Runge-Kutta method.

kHelp

protected transient double[] kHelp

Helper variable for the k values.

Constructor Detail

RungeKutta_EventSolver

public RungeKutta_EventSolver()

default constructor

RungeKutta_EventSolver

public RungeKutta_EventSolver(double stepSize)

Parameters:

stepSize -

RungeKutta_EventSolver

public RungeKutta_EventSolver(double stepSize,
                              boolean nonnegative)

Parameters:

stepSize -

the - nonnegative flag of the super class @see org.sbml.simulator.math.odes.AbstractDESSolver

RungeKutta_EventSolver

public RungeKutta_EventSolver(RungeKutta_EventSolver rkEventSolver)

clone constructor

Parameters:

rkEventSolver -

Method Detail

computeChange

public double[] computeChange(DESystem DES,
                              double[] yTemp,
                              double t,
                              double h,
                              double[] change,
                              boolean steadyState)
                       throws DerivativeException

Description copied from class: AbstractDESSolver

Computes the change for a given system at the current time with the current setting for the integration step size.

Specified by:

computeChange in class AbstractDESSolver

Parameters:

DES - The system to be simulated.

yTemp - The current state of the system.

t - The current simulation time.

change - The vector for the resulting change of the system.

Returns:

The change.

Throws:

DerivativeException

getName

public String getName()

Description copied from class: AbstractDESSolver

This gives a human-readable name of this solver that can be displayed in a graphical user interface.

Specified by:

getName in class AbstractDESSolver

Returns:

A name that describes the underlying algorithm.

clone

public RungeKutta_EventSolver clone()

Specified by:

clone in interface DESSolver

Specified by:

clone in class AbstractDESSolver

Returns:

the cloned solver

hasSolverEventProcessing

protected boolean hasSolverEventProcessing()

Specified by:

hasSolverEventProcessing in class AbstractDESSolver

Returns:

Does the solver do the event processing itself?