Theory and Modern Applications
From: A fourth order block-hexagonal grid approximation for the solution of Laplace’s equation with singularities
\(\boldsymbol{(h^{-1},n)}\)
(16,70)
(32,70)
(64,110)
(128,130)
\(\Vert \epsilon_{h}^{ ( 1 ) }\Vert _{\overline{D}_{S}}\)
7.89831 × 10−7
9.78871 × 10−8
4.29502 × 10−9
2.94108 × 10−10