07-Jan-2022 19:55:10

fd2d_convergence_test():
  MATLAB/Octave version 9.8.0.1380330 (R2020a) Update 2

  Use fd2d_poisson() to solve the same problem on a
  sequence of meshes of mesh size h.  Compute RMS error E.
  Plot log(h) versus log(E).

  i           h(i)     e(i)                rate

 1            0.25     6.05759e-05
 2           0.125     2.04755e-05         1.56484
 3          0.0625     5.66053e-06         1.85489
 4         0.03125     1.47327e-06         1.94192
 5        0.015625     3.74947e-07         1.97426
  Graphics saved as "fd2d_convergence_test.png"

fd2d_convergence_test():
  Normal end of execution.

07-Jan-2022 19:55:15