Beni-Suef University Journal of Basic and Applied Sciences

Table 1 Comparison of the Van der Pol oscillator response for the present solution and the ode15s solution with μ = 0.1

From: Novel approach for solving higher-order differential equations with applications to the Van der Pol and Van der Pol–Duffing equations

t	x(t) present	x(t) ode15s	Absolute error
5	0.4717	0.4678	3.90E−03
10	− 1.702	− 1.7065	4.50E−03
15	− 1.4805	− 1.4742	6.30E−03
20	0.9124	0.9212	8.80E−03
25	1.9825	1.9818	7.00E−04
30	0.1739	0.1601	1.38E−02
35	− 1.8363	− 1.8398	3.50E−03
40	− 1.2532	− 1.2413	1.19E−02
45	1.1564	1.1659	9.50E−03
50	1.915	1.9105	4.50E−03

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