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Advances in Continuous and Discrete Models

Theory and Modern Applications

Table 5 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

0.009686 s

BICGSTAB

0.008474 s

FAST-BICGSTAB

0.061735 s

1/25

0.526368 s

0.241088 s

0.354841 s

1/26

61.452817 s

6.339914 s

2.628164 s

1/27

4160.579938 s

183.270371 s

15.732230 s

1/28

–

–

182.436328 s

1/29

–

–

1897.905645 s

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