08-Oct-2025 14:18:56 random_walk_2d_simulation_test(): MATLAB/Octave version 6.4.0 Test random_walk_2d_simulation(). Graphics saved as "random_walk_2d_plot.png" Graphics file saved in "random_walk_2d_simulation.png" random_walk_2d_simulation_test(): Normal end of execution. 08-Oct-2025 14:20:05