An Extension of the Optimal Homotopy Asymptotic Method to Coupled Schrödinger-KdV Equation

Table 2

Absolute error of OHAM solution 𝜂(𝑥,𝑡) corresponding to the exact solution.

𝑥	𝑡=0.5	𝑡=0.2	𝑡=0.1	𝑡=0.01	𝑡=0.001
−3	1.33126×10^−4	1.6026×10^−4	2.83128×10^−5	1.39272×10^−6	1.79217×10^−7
−2	7.19141×10^−3	1.12962×10^−3	2.77505×10^−4	2.07074×10^−6	4.87727×10^−8
−1	6.4398×10^−3	1.06041×10^−3	2.71500×10^−4	3.63037×10^−6	1.26513×10^−7
0	2.32524×10^−4	1.62664×10^−5	1.59445×10^−5	1.85225×10^−6	1.85483×10^−7
1	6.69107×10^−3	1.04283×10^−3	2.54331×10^−4	1.62882×10^−6	7.39210×10^−8
2	6.99788×10^−3	1.14315×10^−3	2.90776×10^−4	3.61236×10^−6	1.05604×10^−7
3	8.70868×10^−4	1.92467×10^−4	5.98826×10^−5	2.27472×10^−6	1.88037×10^−7