Fri May  8 11:25:01 2026

fd2d_poisson_test():
  matplotlib version: 3.5.1
  numpy version:      1.26.4
  python version:     3.10.12
  fd2d_poisson() is a simple Poisson equation solver
  for a rectangular region.

  Using a  21  by  41  grid
  The RMS error was  0.005859329022381096
  Graphics saved as "poisson_computed_surface.png"
  Graphics saved as "poisson_exact_surface.png"
  Graphics saved as "poisson_computed_contours.png"

fd2d_poisson_test():
  Normal end of execution.
Fri May  8 11:25:02 2026