org.apache.commons.math.ode

Interface SecondOrderIntegrator

All Superinterfaces:

ODEIntegrator

public interface SecondOrderIntegrator
extends ODEIntegrator

This interface represents a second order integrator for differential equations.

The classes which are devoted to solve second order differential equations should implement this interface. The problems which can be handled should implement the SecondOrderDifferentialEquations interface.

Since:

1.2

See Also:

SecondOrderDifferentialEquations

Method Summary

Modifier and Type	Method and Description
void	integrate(SecondOrderDifferentialEquations equations, double t0, double[] y0, double[] yDot0, double t, double[] y, double[] yDot) Integrate the differential equations up to the given time

Methods inherited from interface org.apache.commons.math.ode.ODEIntegrator

addEventHandler, addStepHandler, clearEventHandlers, clearStepHandlers, getCurrentSignedStepsize, getCurrentStepStart, getEvaluations, getEventHandlers, getMaxEvaluations, getName, getStepHandlers, setMaxEvaluations

Method Detail

integrate

void integrate(SecondOrderDifferentialEquations equations,
               double t0,
               double[] y0,
               double[] yDot0,
               double t,
               double[] y,
               double[] yDot)
        throws DerivativeException,
               IntegratorException

Integrate the differential equations up to the given time

Parameters:

equations - differential equations to integrate

t0 - initial time

y0 - initial value of the state vector at t0

yDot0 - initial value of the first derivative of the state vector at t0

t - target time for the integration (can be set to a value smaller thant t0 for backward integration)

y - placeholder where to put the state vector at each successful step (and hence at the end of integration), can be the same object as y0

yDot - placeholder where to put the first derivative of the state vector at time t, can be the same object as yDot0

Throws:

IntegratorException - if the integrator cannot perform integration

DerivativeException - this exception is propagated to the caller if the underlying user function triggers one