07-Jan-2022 23:10:54 midpoint_fixed_test: MATLAB/Octave version 9.8.0.1380330 (R2020a) Update 2 Test midpoint_fixed() on several ODE's. We use a constant stepsize. predator_prey_midpoint_fixed_test A pair of ordinary differential equations for a population of predators and prey are solved using midpoint_fixed(). The exact solution shows periodic behavior, with a fixed period and amplitude. Graphics saved as "predator_prey_midpoint_fixed.png" predator_prey_midpoint_fixed_test Normal end of execution. stiff_midpoint_fixed_test Solve stiff ODE using midpoint_fixed(). Graphics saved as "stiff_midpoint_fixed.png" stiff_midpoint_fixed_test Normal end of execution. midpoint_fixed_test: Normal end of execution. 07-Jan-2022 23:10:59