Wed Feb 2 09:29:17 2022 rubber_band_ode_test(): Solve rubber_band_ode(). parameters: a = 17.0 b = 1.0 lam = 15.4 mu = 0.75 t0 = 0.0 y0 = [1. 0.] tstop = 100.0 Graphics saved as "rubber_band_ode.png" rubber_band_ode_test(): Normal end of execution. Wed Feb 2 09:29:18 2022