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Theory and Modern Applications

Table 11 Comparison of the time taken by Gauss elimination, BICGSTAB, and FAST-BICGSTAB methods when \(\beta =\gamma =0.3\) 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

0.013568 s

BICGSTAB

0.010259 s

FAST-BICGSTAB

0.262019 s

1/25

0.860206 s

0.349422 s

1.262514 s

1/26

71.711588 s

7.333496 s

6.596356 s

1/27

8532.462135 s

206.940085 s

28.015395 s

1/28

323.858521 s

1/29

3048.820601 s