Asymptotic Solution for a Water Quality Model in a Uniform Stream

Table 1

Comparison of 𝑐(𝑥) via OHAM and numerical method.

𝑥	RKF45	OHAM
0.0	1.2500	1.2500
0.1	1.2031	1.2031
0.2	1.1580	1.1580
0.3	1.1147	1.1146
0.4	1.0731	1.0731
0.5	1.0333	1.0332
0.6	0.9952	0.9951
0.7	0.9588	0.9588
0.8	0.9242	0.9242
0.9	0.8914	0.8913
1.0	0.8604	0.8602
1.1	0.8313	0.8310
1.2	0.8042	0.8037
1.3	0.7792	0.7784
1.4	0.7564	0.7553
1.5	0.7362	0.7347
1.6	0.7187	0.7167
1.7	0.7042	0.7016
1.8	0.6832	0.6899
1.9	0.6862	0.6821