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Theory and Modern Applications

Table 2b 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

1.30

20

33

34

2.98e–02

8

1.30

1.20

1.20

32

32

31

1.67e–03

4.2

16

1.10

1.10

1.40

32

32

33

1.34e–04

3.6

32

1.09

1.09

1.10

32

32

33

9.15e–06

3.9