Mathematical Problems in Engineering
Volume 2009 (2009), Article ID 737928, 13 pages
Research Article

Exact Solutions for a Third-Order KdV Equation with Variable Coefficients and Forcing Term

1Department of Mathematics, Universidad de Caldas, Campus La Nubia, Manizales, Caldas Cll 65 # 26-10, A. A. 275, Colombia
2Department of Mathematics and Statistics, National University of Colombia, Manizales Cll 65, Palogrande Stadium, Colombia
3Department of Mathematics, National University of Colombia, Bogotá, Colombia

Received 20 April 2009; Revised 14 August 2009; Accepted 31 August 2009

Academic Editor: Ji Huan He

Copyright © 2009 Alvaro H. Salas S and Cesar A. Gómez S. 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.


The general projective Riccati equation method and the Exp-function method are used to construct generalized soliton solutions and periodic solutions to special KdV equation with variable coefficients and forcing term.