Browsing by Author "Karimi Dizicheh, A."

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    A Novel Algorithm Based on the Legendre Wavelets Spectral Technique for Solving the Lane-Emden Equations
    (Elsevier, 2020) Salahshour, S.; Ahmadian, A.; Baleanu, D.; Dizicheh, A. Karimi; Karimi Dizicheh, A.
    In this research, we present an iterative spectral method for the approximate solution of a class of Lane-Emden equations. In this procedure, we initially extend the Legendre wavelet which is appropriate for any time interval. Thereafter, the Guass-Legendre collection points of the Legendre wavelet are acquired. Employing this new approach, the iterative spectral technique converts the differential equation to a set of algebraic equations which diminishes the computational costs effectively. By solving the obtained algebraic equations, an accurate approximate solution for the assumed Lane-Emden equation is achieved. The present technique is validated by solving a number of Lane-Emden problems and are compared with other existing methods. The numerical simulations demonstrate that the new algorithm is simple and it has highly accuracy. (C) 2020 Published by Elsevier B.V. on behalf of IMACS.