02-Jan-2023 21:11:33 leapfrog_test(): MATLAB/Octave version 4.2.2 Test leapfrog(). shm_leapfrog(): Use leapfrog() to solve the shm ODE. Number of equal steps is 80 Graphics saved as "shm_leapfrog_y1.png" Graphics saved as "shm_leapfrog_y2.png" Graphics saved as "shm_leapfrog_phase.png" Graphics saved as "shm_leapfrog_conservation.png" leapfrog_test(): Normal end of execution. 02-Jan-2023 21:11:35