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

Table 6

Comparison of ε2 errors between FPM and FDM under different node numbers, when α = 0.8.

Time step	Time	Number of nodes	FPM	FDM
0.001	1	11 × 11	8.5446e − 04	4.4956e − 04
		21 × 21	1.5078e − 04	4.4397e − 04
		31 × 31	5.1900e − 05	4.4465e − 04
		41 × 41	2.3658e − 05	4.4233e − 04