07-Jan-2022 19:54:34 fd1d_poisson_test(): MATLAB/Octave version 9.8.0.1380330 (R2020a) Update 2 fd1d_poisson() is a Poisson equation solver for an interval. The equations are: -y" = -(2x+5)*exp(x). y(0) = 1 y(5) = 1632.54 over the interval [0,5] Using grid of n = 21 points. The RMS error was 4.11776 Graphics saved as "fd1d_poisson_test.png" fd1d_poisson_test(): Normal end of execution. 07-Jan-2022 19:54:38