07-Jan-2022 22:37:07 kepler_ode_test(): MATLAB/Octave version 9.8.0.1380330 (R2020a) Update 2 Solve the Kepler ODE. Parameters: e = 0.6 t0 = 0 y0 = (0.4,0,0,2) tstop = 120 kepler_euler_test(): Use euler() to solve the Kepler problem. Number of fixed steps = 10000 Graphics saved as "kepler_euler_plot.png" Graphics saved as "kepler_euler_phase.png" Graphics saved as "kepler_euler_h1.png" Graphics saved as "kepler_euler_h2.png" kepler_midpoint_test(): Use midpoint() to solve the Kepler problem. Number of fixed steps = 1000 Graphics saved as "kepler_midpoint_plot.png" Graphics saved as "kepler_midpoint_phase.png" Graphics saved as "kepler_midpoint_h1.png" Graphics saved as "kepler_midpoint_h2.png" kepler_ode45_test: Use ode45() to solve the Kepler ODE. Number of fixed steps = 1069 Graphics saved as "kepler_ode45_plot.png" Graphics saved as "kepler_ode45_phase.png" Graphics saved as "kepler_ode45_h1.png" Graphics saved as "kepler_ode45_h2.png" kepler_ode_test(): Normal end of execution. 07-Jan-2022 22:37:17