Application of Optimal Homotopy Asymptotic Method to Doubly Wave Solutions of the Coupled Drinfel’d-Sokolov-Wilson Equations

Table 4

Comparison of first order and second order errors of 𝑣(𝑥,𝑡) corresponding to the numerical solution at time 𝑡=0.1, and 0≤𝑥≤1.

𝑥	First order absolute error	Second order absolute error
0.1	5.67234×10^−2	2.25631×10^−6
0.2	1.13447×10^−2	1.58864×10^−6
0.3	1.70170×10^−1	2.38296×10^−6
0.4	2.26894×10^−1	3.17721×10^−6
0.5	2.83617×10^−1	2.91721×10^−5
0.6	3.40341×10^−1	1.25812×10^−5
0.7	3.97064×10^−1	2.50126×10^−5
0.8	4.53787×10^−1	1.28317×10^−4
0.9	5.10510×10^−1	1.29810×10^−4
1.0	5.67234×10^−1	2.94185×10^−4