A Finite Point Method for Solving the Time Fractional Richards’ Equation

Table 5

Comparison of ε2 errors between the FPM and the FDM under different α, when T = 1, ∆t = 10⁻³, and the number of nodes is 21 × 21.

α	0.4	0.5	0.6	0.7	0.8
FPM	1.4446e − 04	1.4556e − 04	1.4688e − 04	1.4846e − 04	1.5078e − 04
FDM	7.7600e + 03	3.9952e − 04	4.0953e − 04	4.2217e − 04	4.4397e − 04