MidpointIntegrator (Commons Math 2.2 API)

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java.lang.Object
- org.apache.commons.math.ode.AbstractIntegrator
- - org.apache.commons.math.ode.nonstiff.RungeKuttaIntegrator
  - - org.apache.commons.math.ode.nonstiff.MidpointIntegrator

All Implemented Interfaces:

FirstOrderIntegrator, ODEIntegrator
```
public class MidpointIntegrator
extends RungeKuttaIntegrator
```
This class implements a second order Runge-Kutta integrator for Ordinary Differential Equations.
This method is an explicit Runge-Kutta method, its Butcher-array is the following one :
```
    0  |  0    0
   1/2 | 1/2   0
       |----------
       |  0    1
 
```
Since:

1.2

Version:

$Revision: 810196 $ $Date: 2009-09-01 21:47:46 +0200 (mar. 01 sept. 2009) $

See Also:
EulerIntegrator, ClassicalRungeKuttaIntegrator, GillIntegrator

- Field Summary
  - Fields inherited from class org.apache.commons.math.ode.AbstractIntegrator
    isLastStep, resetOccurred, stepHandlers, stepSize, stepStart
- Constructor Summary
  
  Constructors
  Constructor and Description
  
  MidpointIntegrator(double step)
  Simple constructor.
- Method Summary
  - Methods inherited from class org.apache.commons.math.ode.nonstiff.RungeKuttaIntegrator
    integrate
  - Methods inherited from class org.apache.commons.math.ode.AbstractIntegrator
    acceptStep, addEndTimeChecker, addEventHandler, addStepHandler, clearEventHandlers, clearStepHandlers, computeDerivatives, getCurrentSignedStepsize, getCurrentStepStart, getEvaluations, getEventHandlers, getMaxEvaluations, getName, getStepHandlers, requiresDenseOutput, resetEvaluations, sanityChecks, setEquations, setMaxEvaluations, setStateInitialized
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - MidpointIntegrator
```
public MidpointIntegrator(double step)
```
    Simple constructor. Build a midpoint integrator with the given step.
    
    Parameters:
    step - integration step

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