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Table 6 Errors and order for UM-FOCS and EEG-TOCS in Example 5.6

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 \(\mathfrak {l}_{2}^{ ( I,J,K )}\) \(\varTheta _{\infty }\) p q r \(\mathfrak {l}_{2}^{ ( I,J,K )}\) \(\varTheta _{\infty }\)
4 1.6 1.00 1.00 4.22e–03 1.5 1.00 1.30 7.54e–03
8 1.3 1.20 1.30 3.64e–04 3.5 1.1 1.20 1.10 7.58e–04 3.3
16 1.0 1.07 1.14 2.68e–05 3.8 1.0 1.11 1.18 6.57e–05 3.5