GDL

Journal from gdlhub / 2019-05-17 11:14:25
Oleh : Tjendro Tjendro, Sudi Mungkasi, Telkomnika
Dibuat : 2019-05-17, dengan 1 file

Keyword : damped oscillation, electrical circuit, formal expansion, van der pol equation, vibration model
Url : http://journal.uad.ac.id/index.php/TELKOMNIKA/article/view/10318
Sumber pengambilan dokumen : WEB

We investigate the validity of the formal expansion method for solving a second order ordinary differential equation raised from an electrical circuit problem. The formal expansion method approximates the exact solution using a series of solutions. An approximate formal expansion solution is a truncated version of this series. In this paper, we confirm using simulations that the approximate formal expansion solution is valid for a specific interval of domain of the free variable. The accuracy of the formal expansion approximation is guaranteed on the time-scale 1.

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