Fri May 8 21:34:58 2026 fd1d_poisson_test(): matplotlib version: 3.5.1 numpy version: 1.26.4 python version: 3.10.12 fd1d_poisson() is a Poisson equation solver for an interval. The equations are: -y" = -(2x+5)*exp(x). y( 0.0 ) = 1.0 y( 5.0 ) = 1632.5447501283427 over the interval [ 0.0 , 5.0 ] Using grid of n = 21 points. The RMS error was 4.117756545806219 Graphics saved as "fd1d_poisson_test.png" fd1d_poisson_test(): Normal end of execution. Fri May 8 21:34:59 2026