School of Physics, Peking University, Beijing 100871, China School of Physics, Peking University, Beijing 100871, China School of Physics, Peking University, Beijing 100871, China
Abstract:
The (2 1)-dimensional Boussinesq equation and (3 1)-dimensional KP equation are studied by using the extended Jacobi elliptic-function method. The exact periodic-wave solutions for the two equations are obtained.