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Mathematical Problems in Engineering
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Mathematical Problems in Engineering
/
2019
/
Article
/
Tab 5
/
Research Article
A Finite Point Method for Solving the Time Fractional Richards’ Equation
Table 5
Comparison of
ε
2 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
1.4446
e
− 04
1.4556
e
− 04
1.4688
e
− 04
1.4846
e
− 04
1.5078
e
− 04
FDM
7.7600
e
+ 03
3.9952
e
− 04
4.0953
e
− 04
4.2217
e
− 04
4.4397
e
− 04