Finite Element Method for Linear Multiterm Fractional Differential Equations

Table 1

𝑁	𝑒𝑁 (error)	𝛼𝑁 (convergence order)
4	8.5231043E−2	2.979325336
8	4.3320479E−3	3.409608789
16	1.4319207E−4	3.416117538
32	4.7023827E−6	3.850441833
64	1.00021262E−7	3.896749819
128	2.03121262E−9