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Theory and Modern Applications

Table 1e Errors and order for UM-FOCS in Example 5.1

From: Exponential basis and exponential expanding grids third (fourth)-order compact schemes for nonlinear three-dimensional convection-diffusion-reaction equation

 

τ = 1.0

τ = 0.1

τ = 0.01

L + 1

\(\mathfrak {l}_{2}^{ ( I,J,K )}\)

\(\varTheta _{2}\)

\(\mathfrak {l}_{2}^{ ( I,J,K )}\)

\(\varTheta _{2}\)

\(\mathfrak {l}_{2}^{ ( I,J,K )}\)

\(\varTheta _{2}\)

4

5.51e–04

4.26e–02

9.99-00

8

2.78e–05

4.3

2.76e–03

3.9

2.28-00

2.1

16

6.45e–07

5.4

1.67e–04

4.0

4.58e–01

2.3