Table 2.

Absolute error for different fractional order

(x, t)	α = 2	α = 1.95	α = 1.9	α = 1.85	α = 1.8
(0.2,0.2)	6.31e−05	0.0011	0.0025	0.0044	0.0066
(0.4,0.4)	7.45e−05	0.0006	0.0010	0.0011	0.0010
(0.6,0.6)	1.64e−04	0.0034	0.0069	0.0109	0.0154
(0.8,0.8)	5.81e−05	0.0040	0.0085	0.0140	0.0205