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

Table 1

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

𝑥	𝑡=0.5	𝑡=0.2	𝑡=0.1	𝑡=0.01	𝑡=0.001
−3	4.37771×10^−3	8.5962×10^−4	3.51139×10^−4	6.29194×10^−5	6.57034×10^−6
−2	1.83163×10^−2	8.0058×10^−3	4.12582×10^−3	4.24051×10^−4	4.25219×10^−5
−1	2.41704×10^−2	8.5651×10^−3	4.10724×10^−3	3.95312×10^−4	3.93790×10^−5
0	7.80233×10^−3	1.2497×10^−3	3.12484×10^−4	3.12500×10^−6	3.12500×10^−8
1	1.57391×10^−2	7.2147×10^−3	3.76957×10^−3	3.91935×10^−4	3.93452×10^−5
2	2.48101×10^−2	9.0460×10^−3	4.38590×10^−3	4.26652×10^−4	4.25479×10^−5
3	1.10708×10^−3	2.5600×10^−3	9.69852×10^−4	6.91069×10^−5	6.63222×10^−6