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Theory and Modern Applications

Table 5 Problem 8.5: The maximum absolute errors

From: Operator compact exponential approximation for the solution of the system of 2D second order quasilinear elliptic partial differential equations

h

Proposed method (5.12)

Method discussed in [21]

\(R_{e}=10\)

\(R_{e}=10^{2}\)

\(R_{e}=10\)

\(R_{e}=10^{2}\)

1/16

z

1.2914(−06)

1.0250(−05)

3.8170(−05)

7.9117(−04)

v

1.5074(−06)

4.9247(−05)

2.0205(−05)

8.1179(−04)

1/32

z

8.1723(−08)

5.7969(−06)

2.4148(−06)

4.4070(−05)

v

9.2739(−08)

3.0772(−06)

1.2680(−06)

4.6982(−05)

1/64

z

5.1144(−09)

3.5421(−07)

1.5149(−07)

2.6562(−06)

v

5.7879(−09)

1.9343(−07)

7.9504(−08)

3.0175(−06)