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Table 1d Errors for the EF-EEG-TOCS in Example 5.1 at \(\tau =0.01\)

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 1.50 1.50 0.90 1 1 1 9.13e–01
8 1.50 1.50 0.70 1 1 1 4.81e–02 4.2
16 1.20 1.20 0.80 1 1 1 1.99e–03 4.6