**kepler_perturbed_ode_test**,
a MATLAB code which
calls kepler_perturbed_ode(), which
defines and solves an ordinary differential equation (ODE) which models
a perturbed Kepler two-body gravitational problem.

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

kepler_perturbed_ode, a MATLAB code which defines an ordinary differential equation (ODE) which models a perturbed Kepler two-body gravitational problem.

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

- kepler_perturbed_ode45.m, uses ode45() to solve the perturbed Kepler ODE.
- kepler_perturbed_ode45_phase.png, a phase plane plot of p1 versus p2.
- kepler_perturbed_ode45_plot.png, a plot of p1(t) and p2(t).