nl.tudelft.simulation.dsol.formalisms.dess
Class DifferentialEquation

java.lang.Object
  nl.tudelft.simulation.event.EventProducer
      nl.tudelft.simulation.jstats.ode.DifferentialEquation
          nl.tudelft.simulation.dsol.formalisms.dess.DifferentialEquation

All Implemented Interfaces:

nl.tudelft.simulation.jstats.ode.DifferentialEquationInterface, DifferentialEquationInterface, java.util.EventListener, nl.tudelft.simulation.event.EventListenerInterface, nl.tudelft.simulation.event.EventProducerInterface, java.io.Serializable

public abstract class DifferentialEquation

extends nl.tudelft.simulation.jstats.ode.DifferentialEquation

implements DifferentialEquationInterface, nl.tudelft.simulation.event.EventListenerInterface

The Differential equation provides a reference implementation of the differential equation.

(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:

1.0

Version:

1.4 2004-03-26

Author:

Peter Jacobs

See Also:

Serialized Form

Field Summary

protected double	previousX the previousX
protected double[]	previousY the previousY
protected DESSSimulatorInterface	simulator simulator

Fields inherited from class nl.tudelft.simulation.jstats.ode.DifferentialEquation

timeStep, x0, y0

Fields inherited from class nl.tudelft.simulation.event.EventProducer

listeners

Fields inherited from interface nl.tudelft.simulation.dsol.formalisms.dess.DifferentialEquationInterface

FUNCTION_CHANGED_EVENT, VALUE_CHANGED_EVENT

Fields inherited from interface nl.tudelft.simulation.event.EventProducerInterface

FIRST_POSITION, LAST_POSITION

Constructor Summary

DifferentialEquation(DESSSimulatorInterface simulator)
constructs a new stateful DifferentialEquation with Euleras numerical integration method.

DifferentialEquation(DESSSimulatorInterface simulator, double timeStep)
constructs a new stateful DifferentialEquation with Euleras numerical integration method.

DifferentialEquation(DESSSimulatorInterface simulator, double timeStep, nl.tudelft.simulation.jstats.ode.integrators.NumericalIntegrator numericalIntegrator)
constructs a new DifferentialEquation

DifferentialEquation(DESSSimulatorInterface simulator, double timeStep, short numericalMethod)
constructs a new DifferentialEquation

Method Summary

void	initialize(double x, double[] y)
void	notify(nl.tudelft.simulation.event.EventInterface event)

Methods inherited from class nl.tudelft.simulation.jstats.ode.DifferentialEquation

getIntegrator, integrateY, setIntegrator, y

Methods inherited from class nl.tudelft.simulation.event.EventProducer

addListener, addListener, addListener, addListener, fireEvent, fireEvent, fireEvent, fireEvent, fireEvent, fireEvent, fireEvent, fireEvent, fireEvent, fireEvent, fireEvent, fireEvent, fireEvent, fireEvent, fireEvent, fireEvent, getEventTypes, removeAllListeners, removeAllListeners, removeListener

Methods inherited from class java.lang.Object

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

Methods inherited from interface nl.tudelft.simulation.jstats.ode.DifferentialEquationInterface

dy, y

Field Detail

simulator

protected DESSSimulatorInterface simulator

simulator

previousX

protected double previousX

the previousX

previousY

protected double[] previousY

the previousY

Constructor Detail

DifferentialEquation

public DifferentialEquation(DESSSimulatorInterface simulator)
                     throws java.rmi.RemoteException

constructs a new stateful DifferentialEquation with Euleras numerical integration method.

Parameters:

simulator - the simulator

Throws:

java.rmi.RemoteException - on network exception

DifferentialEquation

public DifferentialEquation(DESSSimulatorInterface simulator,
                            double timeStep)

constructs a new stateful DifferentialEquation with Euleras numerical integration method.

Parameters:

simulator - the simulator

timeStep - the timeStep for ODE estimation

DifferentialEquation

public DifferentialEquation(DESSSimulatorInterface simulator,
                            double timeStep,
                            short numericalMethod)

constructs a new DifferentialEquation

Parameters:

simulator - the simulator.

timeStep - the timeStep for ODE estimation.

numericalMethod - the numerical method to be used.

DifferentialEquation

public DifferentialEquation(DESSSimulatorInterface simulator,
                            double timeStep,
                            nl.tudelft.simulation.jstats.ode.integrators.NumericalIntegrator numericalIntegrator)

constructs a new DifferentialEquation

Parameters:

simulator - the simulator.

timeStep - the timeStep for ODE estimation.

numericalIntegrator - the actual integrator to be used.

Method Detail

notify

public void notify(nl.tudelft.simulation.event.EventInterface event)
            throws java.rmi.RemoteException

Specified by:

notify in interface nl.tudelft.simulation.event.EventListenerInterface

Throws:

java.rmi.RemoteException

See Also:

EventListenerInterface.notify(EventInterface)

initialize

public void initialize(double x,
                       double[] y)

Specified by:

initialize in interface nl.tudelft.simulation.jstats.ode.DifferentialEquationInterface

See Also:

DifferentialEquationInterface.initialize(double, double[])