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
Itr
\(\mathfrak {l}_{2}^{ ( I,J,K )}\)
\(\varTheta _{\infty }\)
4
1.10
1.00
1.03
0.01
14
4.97e–05
–
8
39
4.79e–06
3.3
16
1.05
88
2.80e–07
3.9