Journal of Inequalities and Applications
Volume 2010 (2010), Article ID 325654, 14 pages
Research Article

A Parameter Robust Method for Singularly Perturbed Delay Differential Equations

Department of Mathematics, Faculty of Sciences, Yuzuncu Yil University, 65080 Van, Turkey

Received 29 April 2010; Revised 9 July 2010; Accepted 17 July 2010

Academic Editor: Alexander I. Domoshnitsky

Copyright © 2010 Fevzi Erdogan. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Uniform finite difference methods are constructed via nonstandard finite difference methods for the numerical solution of singularly perturbed quasilinear initial value problem for delay differential equations. A numerical method is constructed for this problem which involves the appropriate Bakhvalov meshes on each time subinterval. The method is shown to be uniformly convergent with respect to the perturbation parameter. A numerical example is solved using the presented method, and the computed result is compared with exact solution of the problem.