Source: http://aimsciences.org/article/doi/10.3934/dcdss.2020028
Timestamp: 2019-04-23 14:19:31+00:00

Document:
In this study, we present the new approximate solutions of the nonlinear Klein-Gordon equations via perturbation iteration technique and newly developed optimal perturbation iteration method. Some specific examples are given and obtained solutions are compared with other methods and analytical results to confirm the good accuracy of the proposed methods.We also discuss the convergence of the optimal perturbation iteration method for partial differential equations. The results reveal that perturbation iteration techniques, unlike many other techniques in literature, converge rapidly to exact solutions of the given problems at lower order of approximations.
Keywords: Optimal perturbation iteration method, nonlinear Klein–Gordon equation, quantum mechanics, convergence.
Mathematics Subject Classification: Primary: 70K60, 81Q05, 35Q40; Secondary: 65N1.
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