A New Trigonometric Spline Approach to Numerical Solution of Generalized Nonlinear Klien-Gordon Equation

Shazalina Mat Zin, Muhammad Abbas, Ahmad Abd Majid and Ahmad Izani Md Ismail

PLOS ONE, 2014, vol. 9, issue 5, 1-9

Abstract: The generalized nonlinear Klien-Gordon equation plays an important role in quantum mechanics. In this paper, a new three-time level implicit approach based on cubic trigonometric B-spline is presented for the approximate solution of this equation with Dirichlet boundary conditions. The usual finite difference approach is used to discretize the time derivative while cubic trigonometric B-spline is applied as an interpolating function in the space dimension. Several examples are discussed to exhibit the feasibility and capability of the approach. The absolute errors and error norms are also computed at different times to assess the performance of the proposed approach and the results were found to be in good agreement with known solutions and with existing schemes in literature.

Date: 2014
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0095774

DOI: 10.1371/journal.pone.0095774

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