pendulum_double_ode, a MATLAB code which sets up and solves the double pendulum ordinary differential equation (ODE).
The information on this web page is distributed under the MIT license.
pendulum_double_ode is available in a MATLAB version and an Octave version and a Python version.
matlab_ode, a MATLAB code which sets up various ordinary differential equations (ODE).
Original MATLAB version by Alexander Erlich. This version by John Burkardt.