Solutions of Stiff Systems of Ordinary Differential Equations Using Residual Power Series Method

Mubashir Qayyum, Qursam Fatima and Clemente Cesarano

Journal of Mathematics, 2022, vol. 2022, 1-7

Abstract: The stiff differential equations occur in almost every field of science. These systems encounter in mathematical biology, chemical reactions and diffusion process, electrical circuits, meteorology, mechanics, and vibrations. Analyzing and predicting such systems with conventional numerical techniques require more time and memory; still accurate solution is completely uneconomical and uncertain. Most of the numerical techniques have stability issues while dealing with stiff systems. To overcome these limitations, residual power series method (RPSM) is proposed for stiff systems of differential equations (DEs). RPSM is applied to various linear and nonlinear stiff systems, and closed-form solutions are achieved. This indicates the effectiveness of proposed scheme for stiff family of DEs. Since this method leads to better results with less computational cost, it can be extended for more complex systems which arise in different areas of engineering and sciences.

Date: 2022
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jjmath:7887136

DOI: 10.1155/2022/7887136

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