Package com.titan.math.solver

Class PredictorCorrector

java.lang.Object

com.titan.math.solver.PredictorCorrector

All Implemented Interfaces:

Solver

public class PredictorCorrector
extends Object
implements Solver

Implementation of the Predictor-Corrector approach solver approximation method
wi+1 = wi + (h/12)*(5*f(t(i+1), w(i+1)) + 8*f(t(i), w(i)) - f(t(i-1), w(i-1)))

Constructor Summary

Constructors

Constructor	Description
PredictorCorrector()

Method Summary

Modifier and Type	Method	Description
Vector[]	solve(Function f, Vector positions, Vector velocities, Vector masses, double h, double t)	takes one step forward and calculates the state of the solar system using the Predictor-Corrector approach method

Methods inherited from class java.lang.Object

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

Constructor Details

PredictorCorrector

public PredictorCorrector()

Method Details

solve

public Vector[] solve(Function f,
 Vector positions,
 Vector velocities,
 Vector masses,
 double h,
 double t)

takes one step forward and calculates the state of the solar system using the Predictor-Corrector approach method

Specified by:

solve in interface Solver

Parameters:

f - Function that is used to estimate the next step

positions - positions of celestial bodies in the system

velocities - velocities of celestial bodies in the system

masses - masses of celestial bodies in the system

h - step-size

t - time step we are currently on

Returns:

returns the state of the system after one step