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07-Oct-2025 20:37:21

fd2d_convergence_test():
  MATLAB/Octave version 9.11.0.2358333 (R2021b) Update 7
  fd2d_poisson() solves a Poisson 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(i)

 1            0.25     6.05759e-05             NaN
 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
 6       0.0078125     9.45143e-08         1.98808

  Graphics saved as "fd2d_convergence_test.png"

fd2d_convergence_test():
  Normal end of execution.

07-Oct-2025 20:37:47