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Legendre Wavelet Quasilinearization Method for Nonlinear Klein-Gordon Equation with Initial Conditions

  • Kotapally Harish KumarEmail author
Conference paper
Part of the Communications in Computer and Information Science book series (CCIS, volume 1046)

Abstract

A new numerical method using Legendre wavelet together with the quasilinearization for solving nonlinear Klein-Gordon equation with initial conditions is proposed. In the proposed scheme both time as well as spatial derivatives of the Klein Gordon equation are approximated using wavelet without the help of Laplace transform, a contrast to the schemes available in the recent literature. Numerical studies assure that the less number of grid points are required to produce better accuracy and more stable with faster convergence than the Laplace transform based Legendre wavelet method. Further, While solving them numerically in the last section, a comparison is provided between Python and Matlab. The order of accuracy in Python and Matlab are same but Python takes much lesser time to produce the output compared to Matlab [Table 5].

Keywords

Chebyshev wavelet Collocation method Legendre wavelet Klein-Gordon equation Matlab Python Quasilinearization 

Notes

Acknowledgement

The author would like to thanks Prof. V. Antony Vijesh, IIT Indore for his valuable comments and his guidance. The initial Matlab simulations were done when the author was Research Scholar at IIT Indore.

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Copyright information

© Springer Nature Singapore Pte Ltd. 2019

Authors and Affiliations

  1. 1.Research and DevelopmentDatafoundry Pvt Ltd.BangaloreIndia

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