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Table 4 Results for approximation of near boundary points with the matching operator

From: Approximation on the hexagonal grid of the Dirichlet problem for Laplace’s equation

h

| ϵ h ( P 2 )|

| ϵ h ( P 3 )|

2−4

1.716286 × 10−8

3.85255412 × 10−8

2−5

5.385032 × 10−10

4.3619541 × 10−9

2−6

2.2436186 × 10−10

3.41679468 × 10−10

2−7

2.4942270 × 10−11

2.8927971 × 10−12