Journal
APPLIED NUMERICAL MATHEMATICS
Volume 160, Issue -, Pages 349-367Publisher
ELSEVIER
DOI: 10.1016/j.apnum.2020.10.018
Keywords
Numerical method; Taylor wavelet; Numerical solution; Fractional partial differential equation; Distributed-order differential equation
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This paper presents a numerical method for solving distributed-order fractional partial differential equations by introducing fractional-order generalized Taylor wavelets and studying the estimation of the approximation error. A formula for determining the Riemann-Liouville fractional integral operator for the wavelets is provided using the regularized beta function, and combined with Gauss-Legendre quadrature to obtain the numerical method. Several illustrative examples are given to demonstrate the applicability and accuracy of the proposed method.
In this paper, we propose a numerical method for solving distributed-order fractional partial differential equations (FPDEs). For this method, we first introduce fractional-order generalized Taylor wavelets (FOGTW). An estimation for the error of the approximation is also studied. In addition, by using the regularized beta function we give a formula for determining the Riemann-Liouville fractional integral operator for the FOGTW. Combining this formula with the Gauss-Legendre quadrature, we obtain a numerical method for solving distributed-order FPDEs. Several illustrative examples are given to show the applicability and the accuracy of the proposed method. (C) 2020 IMACS. Published by Elsevier B.V. All rights reserved.
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