2012•Acta Physica SinicaOpen access

Asymptotic solving method of soliton for El Nio/La Nia-southern oscillation nonlinear disturbed model

Lin Wan-Tao, Lihua Chen, Cheng Ouyang, Mo Jia-Qi

Abstract

A class of El Nio/La Nia-southern oscillation (ENSO) stochastic disturbed model is considered. Firstly, using the special method of undetermined coefficients, the exact solution of the non-disturbed ENSO model is obtained. Then the approximate solutions of stochastic disturbed ENSO model are constructed by using the asymptotic theory and method. And it is illustrated with example that the asymptotic solutions have the better degree of accuracy.

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Key concepts: El Niño Southern Oscillation, Oscillation (cell signaling), Nonlinear system, Soliton, Class (philosophy), Physics, Applied mathematics, Asymptotic analysis