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Table 3c 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 0.62 0.62 0.62 0.10 0.10 0.10 9.17e–03
8 0.62 0.62 0.62 0.10 0.10 0.10 2.14e–03 2.1
16 0.62 0.62 0.62 0.10 0.10 0.10 6.74e–04 1.7