A Finite Element Method for the Multiterm Time-Space Riesz Fractional Advection-Diffusion Equations in Finite Domain

Table 2

Convergence rate in space for Example 3.

Δ𝑡	Δ𝑥	𝐻^1-norm	𝐿2-norm	cvge. rate
0.001	1/2	3.2591×10^−2	4.4731×10^−3
0.001	1/4	1.6288×10^−2	2.2356×10^−3	1.0006
0.001	1/8	8.1364×10^−3	1.1167×10^−3	1.0014
0.001	1/16	4.0602×10^−3	5.5723×10^−4	1.0029
0.001	1/32	2.0220×10^−3	2.7751×10^−4	1.0057