15-Feb-2021 08:57:02 backward_euler_test: MATLAB/Octave version 9.9.0.1467703 (R2020b) Test the backward Euler method on several ODE's. predator_prey_backward_euler_test A pair of ordinary differential equations for a population of predators and prey are solved using the backward Euler method, solving the implicit function using fsolve(). The exact solution shows periodic behavior, with a fixed period and amplitude. Graphics saved as "predator_prey_backward_euler.png" predator_prey_backward_euler_test Normal end of execution. stiff_backward_euler_test Solve stiff ODE using the backward Euler method. Use fsolve() to solve the backward Euler equation. Graphics saved as "stiff_backward_euler.png" stiff_backward_euler_test Normal end of execution. backward_euler_test: Normal end of execution. 15-Feb-2021 08:57:09