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Theory and Modern Applications

Table 6 Comparison of the time taken by Gauss elimination, BICGSTAB, and FAST-BICGSTAB methods when \(\beta =\gamma =0.8\) and \(\tau =h\)

From: The finite volume element method for the two-dimensional space-fractional convection–diffusion equation

h

Method

Time 1

Method

Time 2

Method

Time 3

1/24

Gauss

0.009587 s

BICGSTAB

0.012225 s

FAST-BICGSTAB

0.123099 s

1/25

0.500738 s

0.503436 s

0.947818 s

1/26

62.099249 s

24.926117 s

9.177119 s

1/27

4200.554038 s

995.119451 s

67.557581 s

1/28

962.377248 s

1/29

10141.873806 s