ODEMultistepSolver.InternalODE

java.lang.Object

org.opensourcephysics.numerics.ODEMultistepSolver.InternalODE

All Implemented Interfaces:: ODE

Enclosing class:: ODEMultistepSolver

protected final class ODEMultistepSolver.InternalODE extends Object implements ODE

A class that saves an internal state that may be different from the orginal ODE. This internal state is used with interpolation solvers.

Method Summary

Modifier and Type

Method

Description

void

getRate(double[] state, double[] rate)

Gets the rate using the given state.

double[]

getState()

Gets the state.

void

setInitialConditions()

Sets the initial conditions using the current state of the ODE.

void

update()

updates the ODE state using the engine's internal state.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details
- getRate
  
  public void getRate(double[] state, double[] rate)
  
  Gets the rate using the given state.
  
  Specified by:
  
  getRate in interface ODE
  
  Parameters:
  
  state - double[]
  
  rate - double[]
- getState
  
  public double[] getState()
  
  Gets the state.
  
  Specified by:
  
  getState in interface ODE
  
  Returns:
  
  double[]
- setInitialConditions
  
  public void setInitialConditions()
  
  Sets the initial conditions using the current state of the ODE.
- update
  
  public void update()
  
  updates the ODE state using the engine's internal state.