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Numerical Solution for the Fractional Wave Equation Using Pseudo-Spectral Method Based on the Generalized Laguerre Polynomials

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DOI: 10.4236/am.2015.64058    3,541 Downloads   4,176 Views   Citations

ABSTRACT

In this paper, an efficient numerical method is considered for solving the fractional wave equation (FWE). The fractional derivative is described in the Caputo sense. The method is based on Laguerre approximations. The properties of Laguerre polynomials are utilized to reduce FWE to a system of ordinary differential equations, which is solved by the finite difference method. An approximate formula of the fractional derivative is given. Special attention is given to study the convergence analysis and estimate an error upper bound of the presented formula. Numerical solutions of FWE are given and the results are compared with the exact solution.

Conflicts of Interest

The authors declare no conflicts of interest.

Cite this paper

Sweilam, N. , Khader, M. and Adel, M. (2015) Numerical Solution for the Fractional Wave Equation Using Pseudo-Spectral Method Based on the Generalized Laguerre Polynomials. Applied Mathematics, 6, 647-654. doi: 10.4236/am.2015.64058.

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