14-Nov-2020 09:27:11 henon_heiles_ode_test: MATLAB/Octave version 4.2.2 Test henon_heiles_ode using various ODE solvers. Parameter lambda = 1 Initial energy E = 0.05 Initial condition (X,X',Y,Y') = (0,0.316228,0,0) henon_heiles_euler_test: Use euler to solve the Henon Heiles problem. Graphics saved as "henon_heiles_euler_plot.png" Graphics saved as "henon_heiles_euler_orbit.png" Graphics saved as "henon_heiles_euler_conserved.png" henon_heiles_midpoint_test: Use midpoint to solve the Henon Heiles problem. Graphics saved as "henon_heiles_midpoint_plot.png" Graphics saved as "henon_heiles_midpoint_orbit.png" Graphics saved as "henon_heiles_midpoint_conserved.png" henon_heiles_ode45_test: Use ode45 to solve the Henon Heiles problem. Graphics saved as "henon_heiles_ode45_plot.png" Graphics saved as "henon_heiles_ode45_orbit.png" Graphics saved as "henon_heiles_ode45_conserved.png" henon_heiles_ode_test: Normal end of execution. 14-Nov-2020 09:27:43