Skip to main content

Theory and Modern Applications

Table 3 The CPU time consumed of the Gaussian elimination, the SBiCG method, and the FSBiCG method

From: Fourth-order finite difference scheme and efficient algorithm for nonlinear fractional Schrödinger equations

α

1/h

Gauss CPU (s)

SBiCG CPU (s)

Iter

FSBiCG CPU (s)

Iter

1.3

24

0.61 s

1.45 s

6

0.5277 s

8

25

4.95 s

14.05 s

7

2.5201 s

5

26

1 min 47 s

2 min 48 s

4

14.05 s

3

27

54 min 5 s

23 min 47 s

3

1 min 54 s

3

1.9

24

0.45 s

1.54 s

9

0.59 s

9

25

5.02 s

39.98 s

15

5.28 s

16

26

2 min 46 s

4 min 30 s

7

21.32 s

7

27

1h1 min 54 s

46 min 25 s

7

3 min 1 s

7