**vanderpol_ode_test**,
a MATLAB code which
calls vanderpol_ode(), which
defines the right hand side of the van der Pol oscillator
ordinary differential equation (ODE).

vanderpol_ode, a MATLAB code which defines the right hand side of the van der Pol oscillator ordinary differential equation (ODE).

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

- vanderpol_ode45_plot.png, plots y(t) and y'(t).
- vanderpol_ode45_phase.png, a phase plot of y(t) versus y'(t).