Thu Mar 24 12:02:23 2022 heartbeat_ode_test(): Python version: 3.6.9 Solve heartbeat_ode(). parameters: a = 0.81 epsilon = 0.001 gamma = 0.45 t0 = 0.0 y0 = [1. 1.] tstop = 10.0 heartbeat_solve_ivp(): Use solve_ivp() to solve heartbeat_ode(). Graphics saved as "heartbeat_solve_ivp_y1.png" Graphics saved as "heartbeat_solve_ivp_y2.png" Graphics saved as "heartbeat_solve_ivp_phase.png" heartbeat_ode_test(): Normal end of execution. Thu Mar 24 12:02:24 2022