Fig. 4: box, eps 2.25 and 1, 1 x 1 um quarter domain; relative errors
  grid                    standard scheme            Hadley's equations
    8 x 8   (125.00 nm):  1.274534164 -1.36e-3   1.276463872 +1.49e-4
   16 x 16  ( 62.50 nm):  1.275988768 -2.24e-4   1.276314639 +3.18e-5
   32 x 32  ( 31.25 nm):  1.276289919 +1.24e-5   1.276283133 +7.12e-6
   64 x 64  ( 15.62 nm):  1.276325199 +4.01e-5   1.276276184 +1.68e-6
  128 x 128 (  7.81 nm):  1.276312326 +3.00e-5   1.276274564 +4.11e-7
  Fig. 4, standard, 7.8 nm grid          1.276312   paper 1.27627404 ± 5e-5      ok
  Fig. 4, Hadley's, 7.8 nm grid          1.276275   paper 1.27627404 ± 1e-6      ok
Fig. 5: box, eps 8 and 1, 1 x 1 um quarter domain; relative errors
  grid                    standard scheme            Hadley's equations
    8 x 8   (125.00 nm):  2.653939134 -1.08e-3   2.656829677 +1.23e-5
   16 x 16  ( 62.50 nm):  2.655937883 -3.23e-4   2.656810533 +5.12e-6
   32 x 32  ( 31.25 nm):  2.656609107 -7.07e-5   2.656800255 +1.26e-6
   64 x 64  ( 15.62 nm):  2.656774085 -8.60e-6   2.656797760 +3.16e-7
  128 x 128 (  7.81 nm):  2.656805896 +3.38e-6   2.656797145 +8.48e-8
  Fig. 5, standard, 7.8 nm grid          2.656806   paper 2.65679692 ± 5e-5      ok
  Fig. 5, Hadley's, 7.8 nm grid          2.656797   paper 2.65679692 ± 1e-6      ok
Fig. 6: impinged corner, eps 2.25 and 1, 1 x 1 um quarter domain; relative errors
  grid                    standard scheme            Hadley's equations
    8 x 8   (125.00 nm):  1.387030771 -6.45e-4   1.387965116 +2.79e-5
   16 x 16  ( 62.50 nm):  1.387647491 -2.01e-4   1.387921250 -3.73e-6
   32 x 32  ( 31.25 nm):  1.387832440 -6.77e-5   1.387923475 -2.13e-6
   64 x 64  ( 15.62 nm):  1.387891863 -2.49e-5   1.387925499 -6.67e-7
  128 x 128 (  7.81 nm):  1.387912693 -9.89e-6   1.387926175 -1.80e-7
  Fig. 6, standard, 7.8 nm grid          1.387913   paper 1.387926425 ± 5e-5     ok
  Fig. 6, Hadley's, 7.8 nm grid          1.387926   paper 1.387926425 ± 1e-6     ok
Fig. 7: impinged corner, eps 8 and 1, 1 x 1 um quarter domain; relative errors
  grid                    standard scheme            Hadley's equations
    8 x 8   (125.00 nm):  2.759621399 -6.68e-4   2.761634048 +6.11e-5
   16 x 16  ( 62.50 nm):  2.760910942 -2.01e-4   2.761478815 +4.89e-6
   32 x 32  ( 31.25 nm):  2.761303402 -5.86e-5   2.761466605 +4.65e-7
   64 x 64  ( 15.62 nm):  2.761416581 -1.76e-5   2.761465661 +1.24e-7
  128 x 128 (  7.81 nm):  2.761449812 -5.62e-6   2.761465509 +6.84e-8
  Fig. 7, standard, 7.8 nm grid          2.761450   paper 2.76146532 ± 5e-5      ok
  Fig. 7, Hadley's, 7.8 nm grid          2.761466   paper 2.76146532 ± 1e-6      ok
all 8 within tolerance of the paper
