polar_ode, an Octave code which sets up and solves an ordinary differential equation (ODE) whose variable is complex, and whose solution should be viewed in a polar coordinate plot.
The information on this web page is distributed under the MIT license.
polar_ode is available in a MATLAB version and an Octave version and a Python version.
octave_ode, an Octave code which sets up various ordinary differential equations (ODE).