Optimal Homotopy Asymptotic Method-Least Square for Solving Nonlinear Fractional-Order Gradient-Based Dynamic System from an Optimization Problem

Table 2

Comparisons and absolute error between OHAM-LS and RK4, .

	OHAM-LS	OHAM-LS	RK4	RK4	Error	Error
0.0000	0.000000	0.000000	0.000000	0.000000	0.000000	0.000000
0.0005	1.970211	3.871721	1.970899	3.871887	0.000688	0.000166
0.0010	1.977134	3.907823	1.978274	3.907993	0.001136	0.00017
0.0013	1.981102	3.922403	1.981384	3.922554	0.000282	0.000151
0.0015	1.982211	3.930534	1.983132	3.930578	0.000921	4.4-05
0.0020	1.983214	3.935653	1.984252	3.935654	0.001038	1-06