Numerical solution of singularly perturbed differential difference equations with mixed parameters

Document Type : Research Article

Authors

Department of Mathematics, College of Natural Sciences,Jimma University, Ethiopia

Abstract

In this paper,  numerical solution of the singularly perturbed  differential equations with mixed parameters   are considered.  The stability and parameter uniform convergence of the proposed method are proved. To validate the applicability of the scheme, two model problems are considered for numerical experimentation and solved for different values of the perturbation parameter,   $\varepsilon$ and mesh size, $h$.   The numerical results are tabulated  and it is observed that the present method is more  accurate and $\varepsilon$-uniformly convergent for $h\geq\varepsilon$,  where the classical numerical methods fails to give good result.

Keywords

Journal of Mathematical Modeling
Volume 9, Issue 4
December 2021
Pages 691-705

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