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java.lang.Object org.opensourcephysics.numerics.AbstractODESolver org.opensourcephysics.numerics.Ralston2
public class Ralston2
Ralston2 implements Ralston's algorithm for solving ODEs by evaluating the rate at the initial state, estimating the rate for the final state, and using a weighted average of these two rates to advance the state.
Field Summary |
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Fields inherited from class org.opensourcephysics.numerics.AbstractODESolver |
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numEqn, ode, stepSize |
Constructor Summary | |
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Ralston2(ODE ode)
Constructor Ralston2 |
Method Summary | |
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void |
initialize(double stepSize)
Initializes the ODE solver and allocates the rate and state arrays. |
double |
step()
Steps (advances) the differential equations by the stepSize. |
Methods inherited from class org.opensourcephysics.numerics.AbstractODESolver |
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getStepSize, setStepSize |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public Ralston2(ODE ode)
ode
- Method Detail |
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public void initialize(double stepSize)
initialize
in interface ODESolver
initialize
in class AbstractODESolver
stepSize
- public double step()
step
in interface ODESolver
step
in class AbstractODESolver
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