Thu Feb  3 18:27:34 2022

pendulum_nonlinear_ode_test():
  Python version: 3.6.9
  Solve pendulum_nonlinear_ode().

  parameters:
    g =      9.81
    l =      1.0
    m =      1.0
    t0 =     0.0
    y0 =     [1.22173048 0.        ]
    tstop =  50.0
  Graphics saved as "pendulum_nonlinear_theta.png"
  Graphics saved as "pendulum_nonlinear_energy.png"

pendulum_nonlinear_ode_test():
  Normal end of execution.
Thu Feb  3 18:27:35 2022