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Table 3b Errors and computational rate for the EF-EEG-TOCS in Example 5.3

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 \(\mathfrak {l}_{2}^{ ( I,J,K )}\) \(\varTheta _{\infty }\)
4 1.20 1.30 1.30 0.9 0.6 0.8 6.10e–05
8 1.20 1.10 1.10 0.1 0.2 0.1 5.92e–06 3.4
16 1.09 1.09 1.02 0.1 0.1 0.1 4.91e–07 3.6