**rk34**,
a MATLAB code which
implements Runge-Kutta ODE solvers of orders 3 and 4.

The computer code and data files described and made available on this web page are distributed under the MIT license

**rk34** is available in
a MATLAB version and
an Octave version.

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- rk3.m implements a Runge Kutta method of order 3.
- rk34.m implements Runge Kutta methods of order 3 and 4.
- rk4.m implements a Runge Kutta method of order 4.