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Theory and Modern Applications

Table 9 The error and computing time of FPM

From: A finite point algorithm for soil water-salt movement equation

Time step

Nodes

FPM error

CPU

scale = 2

scale = 3

0.01

11 × 11

8.9929 × 10−3

1.5175 × 10−2

2.6473 × 10

21 × 21

7.8850 × 10−3

1.2012 × 10−2

1.4678 × 102

31 × 31

4.6348 × 10−3

1.6127 × 10−2

1.5375 × 102

41 × 41

1.8824 × 10−2

1.8064 × 10−2

5.8794 × 102