Research Article

A Time-Space Collocation Spectral Approximation for a Class of Time Fractional Differential Equations

Table 1

𝐿 2 errors and 𝐿 errors varying with ( 𝑁 , 𝑀 ) and 𝜇 .

( 𝑁 , 𝑀 ) 𝜇 = 0 . 1 𝜇 = 0 . 6 𝜇 = 0 . 9 9
𝐿 2 error 𝐿 error 𝐿 2 error 𝐿 error 𝐿 2 error 𝐿 error

(6, 22) 8 . 3 8 2 2 𝑒 0 0 4 2 . 7 3 9 3 𝑒 0 0 4 1 . 8 3 0 2 𝑒 0 0 4 1 . 7 7 9 3 𝑒 0 0 4 8 . 4 5 3 9 𝑒 0 0 5 1 . 2 5 6 0 𝑒 0 0 4
(8, 22) 8 . 8 8 7 3 𝑒 0 0 6 2 . 3 8 8 3 𝑒 0 0 6 1 . 6 2 0 7 𝑒 0 0 6 1 . 5 8 4 3 𝑒 0 0 6 7 . 6 2 7 7 𝑒 0 0 7 1 . 1 4 3 9 𝑒 0 0 6
(10, 22) 5 . 1 2 2 9 𝑒 0 0 6 1 . 8 1 7 9 𝑒 0 0 6 4 . 4 0 8 1 𝑒 0 0 8 1 . 2 0 3 2 𝑒 0 0 7 4 . 3 5 0 9 𝑒 0 0 9 6 . 6 0 3 4 𝑒 0 0 9
(22, 6) 0.0013 3 . 8 7 7 1 𝑒 0 0 4 5 . 0 2 5 1 𝑒 0 0 5 5 . 6 2 3 0 𝑒 0 0 5 2 . 3 4 7 0 𝑒 0 0 7 2 . 9 2 6 1 𝑒 0 0 7
(22, 8) 3 . 7 5 1 6 𝑒 0 0 4 1 . 1 6 3 1 𝑒 0 0 4 1 . 0 9 1 6 𝑒 0 0 5 1 . 4 8 3 2 𝑒 0 0 5 4 . 5 7 0 7 𝑒 0 0 8 6 . 9 2 2 1 𝑒 0 0 8
(22, 10) 1 . 4 5 9 1 𝑒 0 0 4 4 . 6 3 0 9 𝑒 0 0 5 3 . 2 9 7 6 𝑒 0 0 6 5 . 2 2 9 7 𝑒 0 0 6 1 . 2 4 5 3 𝑒 0 0 8 2 . 1 8 3 8 𝑒 0 0 8