New High-Order Compact ADI Algorithms for 3D Nonlinear Time-Fractional Convection-Diffusion Equation

Figure 3

The plot of the 𝐿^∞-error using both algorithms at 𝑇=2 and  𝑧=0.5 with 𝑁=40,𝑀=40, and different 𝛼 for Problem 6.

(a) Algorithm 1, 𝛼=0.2

(b) Algorithm 1, 𝛼=0.5

(c) Algorithm 1, 𝛼=0.8

(d) Algorithm 2, 𝛼=0.2

(e) Algorithm 2, 𝛼=0.5

(f) Algorithm 2, 𝛼=0.8