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Theory and Modern Applications

Table 2d Errors and computational rate for the EF-EEG-TOCS in Example 5.2

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

1.40

1.40

1.40

65

64

63.9

1.95e–03

8

1.30

1.20

1.30

64

64

63.9

1.29e–04

3.9

16

1.10

1.10

1.20

64

64

63.9

1.64e–05

3.0

32

1.01

1.01

1.09

64

64

63.9

1.98e–06

3.0