Beni-Suef University Journal of Basic and Applied Sciences

Table 3 Comparison of the Van der Pol oscillator response for the present solution and the ode15s solution with μ = 10

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	1.6022	1.6017	5.00E−04
10	− 1.9713	− 1.9715	2.00E−04
15	− 1.5541	− 1.5531	1.00E−03
20	1.9396	1.9392	4.00E−04
25	1.5022	1.5004	1.80E−03
30	− 1.907	− 1.9064	6.00E−04
35	− 1.4456	− 1.4429	2.70E−03
40	1.8734	1.8741	7.00E−04
45	1.3824	1.383	6.00E−04
50	− 1.8386	− 1.8395	9.00E−04

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