Optimal Homotopy Asymptotic Solution for Exothermic Reactions Model with Constant Heat Source in a Porous Medium

Table 1

Comparison of via OHAM and RKF45 for .

	FDM [5]	RKF45	OHAM	Percentage error
0.0	3.114344	3.518277	3.518285	0.000227
0.1	3.046176	3.485927	3.485969	0.001204
0.2	2.911251	3.388613	3.388675	0.001829
0.3	2.711819	3.225339	3.225359	0.000620
0.4	2.451166	2.994264	2.994284	0.000667
0.5	2.133897	2.693071	2.693037	0.001262
0.6	1.766284	2.318441	2.318432	0.000388
0.7	1.356680	1.866723	1.866701	0.001178
0.8	0.915960	1.333395	1.333311	0.006299
0.9	0.457980	0.713042	0.713046	0.000560
1.0	0.000000	0.000000	0.000000	—