kepler_perturbed_ode

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

Licensing:

The information on this web page is distributed under the MIT license.

Languages:

kepler_perturbed_ode is available in a MATLAB version and an Octave version and a Python version.

Related Data and codes:

kepler_perturbed_ode_test

octave_ode, an Octave code which sets up various ordinary differential equations (ODE).

References:

1. Ernst Hairer, Christian Lubich, Gerhard Wanner,
   Geometric Numerical Integration: Structure-Preserving Algorithms for Ordinary Differential Equations,
   Springer, 2006,
   ISSN: 0179-3632.

Source Code:

• kepler_perturbed_conserved.m, returns a conserved quantity of the perturbed Kepler ODE.
• kepler_perturbed_deriv.m, dpqdt=kepler_perturbed_deriv(t,pq) returns the right hand side of the perturbed Kepler ODE.
• timestamp.m, prints the YMDHMS date as a timestamp.