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Table 4 The residual errors and convergence rates of g when \(\lambda = 0.5, M = 2, c = 0.5, Sc = \gamma = 1, Pr = 1.5\)

From: On a bivariate spectral relaxation method for unsteady magneto-hydrodynamic flow in porous media

Iter.

\(\Vert Res({\mathbf{g}} )\Vert _{\infty }\)

Convergence Rates

\(\xi = 0.25\)

\(\xi = 0.75\)

\(\xi = 1.00\)

\(\xi = 0.25\)

\(\xi = 0.75\)

\(\xi = 1.00\)

1

\(4.17\times 10^{-3}\)

\(4.93\times 10^{-2}\)

\(7.83\times 10^{-2}\)

0.94

1.01

0.99

2

\(4.96\times 10^{-5}\)

\(1.40\times 10^{-3}\)

\(2.21\times 10^{-3}\)

0.75

1.03

1.04

3

\(7.66\times 10^{-7}\)

\(3.81\times 10^{-5}\)

\(6.39\times 10^{-5}\)

1.26

1.13

1.18

4

\(3.38\times 10^{-8}\)

\(9.21\times 10^{-7}\)

\(1.58\times 10^{-6}\)

1.07

0.76

0.56

5

\(6.56\times 10^{-10}\)

\(1.38\times 10^{-8}\)

\(2.01\times 10^{-8}\)

0.83

0.68

0.92

6

\(9.49\times 10^{-12}\)

\(5.75\times 10^{-10}\)

\(1.78\times 10^{-9}\)

1.00

1.27

1.18

7

\(2.82\times 10^{-13}\)

\(6.58\times 10^{-11}\)

\(1.93\times 10^{-10}\)

0.89

1.08

1.04

8

\(8.39\times 10^{-15}\)

\(4.19\times 10^{-12}\)

\(1.39\times 10^{-11}\)

0.95

1.00

1.00