Numerical verification of the orders of accuracy of truncated asymptotic expansion solutions to the van der Pol equation

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作者
Sudi Mungkasi
机构
[1] Sanata Dharma University,Department of Mathematics, Faculty of Science and Technology
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关键词
Asymptotic expansion; Formal expansion; Order of accuracy; Perturbation method; Van der Pol equation;
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摘要
We propose a numerical method to verify the orders of accuracy of truncated asymptotic expansion solutions to the van der Pol equation. Our proposed method is simpler than an existing method (Deeba and Xie in J Comput Anal Appl 3(2): 165–171, 2001). Our proposed method does not need any technique of a least-squares fit of error data, whereas the existing one does. Numerical simulations confirm that our proposed method works effectively.
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页码:216 / 223
页数:7
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