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## de.grogra.numeric
Interface ODE

All Known Implementing Classes:
  GraphODE

    public interface ODE

This interface is used to describe an initial value problem. The problem is given by an initial state y0 at an initial time t0, so that y0 = y(t0), and a rate function y'(t) = f(t, y).

Author:
  Reinhard Hemmerling

Method Summary
`void` | `getRate(double[] out, double t, double[] state)` Calculate the rate (derivative of state) of the system for a given time and state.

Method Detail

### getRate

    void getRate(double[] out,
                 double t,
                 double[] state)

  Calculate the rate (derivative of state) of the system for a given time and state.

  Parameters:
    `out` - provides memory for storing the rate
    `t` - current time
    `state` - current state

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