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Theory and Modern Applications

Table 1f 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

4.69e–04

4.02e–02

9.99e–00

8

2.31e–05

4.30

2.55e–03

4.0

2.26e–00

2.1

16

1.30e–06

4.10

1.51e–04

4.1

4.54e–01

2.3