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Table 1 Computed error norms and the order of convergence for Test 1

From: Numerical methods to simulate moisture dynamics in fibrous sheet

Mesh Error norm Order of convergence in space
m  = 2 m  = 3 m  = 4 m  = 2 m  = 3 m  = 4
32 × 32 3.66E − 02 6.29E − 02 7.69E − 02    
64 × 64 2.12E − 02 4.12E − 02 5.70E − 02 7.88E − 01 6.10E − 01 4.32E − 01
128 × 128 8.54E − 03 2.22E − 02 3.40E − 02 1.31E + 00 8.92E − 01 7.45E − 01
256 × 256 3.85E − 03 1.25E − 02 2.28E − 02 1.15E + 00 8.29E − 01 5.77E − 01