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Optimal homotopy solution of the sine-Gordon equation

  • Shivangi Dangi , Anant Kant Shukla and Navneet Kumar Verma
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Abstract

In this work, we obtain the series solution of the sine-Gordon equation with given initial conditions by the optimal homotopy analysis method (OHAM). The square residual error is calculated with respect to the associated independent parameters. The obtained solutions for three particular cases of the sine-Gordon equation are compared with the VIM and exact solutions wherever possible. The optimal OHAM solutions are more accurate in comparison to the variational iteration method (VIM).

Abstract

In this work, we obtain the series solution of the sine-Gordon equation with given initial conditions by the optimal homotopy analysis method (OHAM). The square residual error is calculated with respect to the associated independent parameters. The obtained solutions for three particular cases of the sine-Gordon equation are compared with the VIM and exact solutions wherever possible. The optimal OHAM solutions are more accurate in comparison to the variational iteration method (VIM).

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