31-Aug-2023 08:36:32

delsq_test():
  MATLAB/Octave version 9.14.0.2306882 (R2023a) Update 4
  Test delsq()

  numgrid region "L" with n = 10
  Graphics saved as "grid_10x10.png"

  Node indices:
     0     0     0     0     0     0     0     0     0     0
     0     1     5     9    13    17    25    33    41     0
     0     2     6    10    14    18    26    34    42     0
     0     3     7    11    15    19    27    35    43     0
     0     4     8    12    16    20    28    36    44     0
     0     0     0     0     0    21    29    37    45     0
     0     0     0     0     0    22    30    38    46     0
     0     0     0     0     0    23    31    39    47     0
     0     0     0     0     0    24    32    40    48     0
     0     0     0     0     0     0     0     0     0     0


  numgrid region "L" with n = 32
  Graphics saved as "grid_32x32.png"

  Sparse Laplacian operator D
  Graphics saved as "delsq_10x10.png"

  This grid uses 675 interior nodes.
  Graphics saved as "contour_plot.png"
  Graphics saved as "mesh_plot.png"

delsq_test():
  Normal end of execution.

31-Aug-2023 08:36:38