Discrete Dynamics in Nature and Society
Volume 2012 (2012), Article ID 147240, 12 pages
Research Article

On the Numerical Solution of Differential-Algebraic Equations with Hessenberg Index-3

1Department of Mathematics, Faculty of Art and Science, Ağrı Ibrahim Ceçen University, 04100 Agrı, Turkey
2Department of Mathematics, Atatürk University Faculty of Science, 25240 Erzurum, Turkey

Received 12 April 2011; Revised 18 October 2011; Accepted 9 November 2011

Academic Editor: Antonia Vecchio

Copyright © 2012 Melike Karta and Ercan Çelik. 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.


Numerical solution of differential-algebraic equations with Hessenberg index-3 is considered by variational iteration method. We applied this method to two examples, and solutions have been compared with those obtained by exact solutions.