Legendre Spectral Tau Method for Solving the Fractional Integro-Differential Equations with A Weakly Singular Kernel

Publish Year: 1401
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:

JR_GADM-7-1_002

تاریخ نمایه سازی: 8 آذر 1401

Abstract:

‎In this paper‎, ‎the Tau method based on shifted Legendre polynomials has been introduced to approximate the numerical solutions of a class of fractional integro-differential equations with a weakly singular kernel‎ . ‎By using operational matrices we reduce the problem to a set of algebraic equations‎ . ‎Also the upper bound of the error of the shifted Legendre expansion is investigated‎. ‎Finally‎, ‎several numerical examples are given to illustrate the high accuracy of the method‎.

Authors

Ruhangiz Azimi

Associate Professor, Mathematics and Computer Science Department, Adib mazandaran institute of higher education, Sari, Iran

Mostafa Mohagheghy Nezhad

Associate Professor,Mathematica and Computer Science Department, Adib mazandaran institute of higher education, Sari, Iran

Reza Pourgholi

School of Mathematics and Computer Sciences, Damghan University, P.O.Box ۳۶۷۱۵-۳۶۴, Damghan, Iran.

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