Institute of Theoretical Physics, Academia Sinica, Beijing 100080Department of Physics, Suzhou University, Suzhou 215006*Department of Physics, Lanzhou University, Lanzhou 730000
The exact solitary wave solutions of the extended Burgers-Fisher equation ∂u/∂t + αuδ∂u/∂x - ∂2u/∂x2 = βu(1-uδ) are obtained by using a simple and effective nonlinear transformation. The results are the generalization of the former work.