**pendulum_nonlinear_ode_test**,
an Octave code which
calls pendulum_nonlinear_ode(), which
sets up the ordinary differential equations (ODE) that represent
the behavior of a nonlinear pendulum of length L under a
gravitational force of strength G.

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

pendulum_nonlinear_ode, an Octave code which sets up the ordinary differential equations (ODE) that represent the behavior of a nonlinear pendulum of length L under a gravitational force of strength G.

- pendulum_nonlinear_ode_test.m, calls all the tests.
- pendulum_nonlinear_ode_test.sh, runs all the tests.
- pendulum_nonlinear_ode_test.txt, the output file.

- pendulum_nonlinear_ode_test.png, a plot of the nonlinear pendulum behavior over time.