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Table 4b Errors and computational rate for the EEG-TOCS in Example 5.4

From: Exponential basis and exponential expanding grids third (fourth)-order compact schemes for nonlinear three-dimensional convection-diffusion-reaction equation

L + 1 p q r α β γ Itr \(\mathfrak {l}_{2}^{ ( I,J,K )}\) \(\varTheta _{\infty }\)
4 1.10 1.00 1.03 0.01 0.01 0.01 14 4.97e–05
8 1.10 1.00 1.00 0.01 0.01 0.01 39 4.79e–06 3.3
16 1.05 1.00 1.00 0.01 0.01 0.01 88 2.80e–07 3.9