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Journal of Applied Mathematics
Volume 2012, Article ID 586454, 18 pages
Research Article

A New Efficient Method for Nonlinear Fisher-Type Equations

Department of Applied Mathematics, School of Mathematical Sciences, University of Guilan, P.O. Box 41335-1914, Rasht, Iran

Received 16 December 2011; Revised 31 March 2012; Accepted 9 April 2012

Academic Editor: B. V. Rathish Kumar

Copyright © 2012 Hossein Aminikhah et al. 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.


Laplace transform and new homotopy perturbation methods are adopted to study Fisher-type equations analytically. The solutions introduced in this study can be used to obtain the closed form of the solutions if they are required. The combined method needs less work in comparison with the other homotopy perturbation methods and decreases volume of calculations considerably. The method is tested on various examples, and results show that new method is more effective and convenient to use, and high accuracy of it is evident.