30-Apr-2021 18:21:40 backward_euler_fixed_test: MATLAB/Octave version 4.2.2 Test backward_euler_fixed. predator_prey_backward_euler_fixed() A pair of ordinary differential equations for a population of predators and prey are solved using the backward Euler method, solving the implicit function with a fixed point iteration. The exact solution shows periodic behavior, with a fixed period and amplitude. Graphics saved as "predator_prey_backward_euler_fixed.png" predator_prey_backward_euler_fixed Normal end of execution. stiff_backward_euler_fixed() Solve stiff ODE using the backward Euler method. Use a fixed point iteration to solve the implicit equation. Graphics saved as "stiff_backward_euler_fixed.png" stiff_backward_euler_fixed() Normal end of execution. backward_euler_fixed_test: Normal end of execution. 30-Apr-2021 18:21:41