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Effective numerical technique for solving variable order integro-differential equations

Effective numerical technique for solving variable order integro-differential equations In this article, an effective numerical technique for solving the variable order Fredholm–Volterra integro-differential equations (VO-FV-IDEs), systems of VO-FV-IDEs and variable order Volterra partial integro-differential equations (VO-V-PIDEs) is given. The suggested technique is built on the combination of the spectral collocation method with some types of operational matrices of the variable order fractional differentiation and integration of the shifted fractional Gegenbauer polynomials (SFGPs). The proposed technique reduces the considered problems to systems of algebraic equations that are straightforward to solve. The error bound estimation of using SFGPs is discussed. Finally, the suggested technique’s authenticity and efficacy are tested via presenting several numerical applications. Comparisons between the outcomes achieved by implementing the proposed method with other numerical methods in the existing literature are held, the obtained numerical results of these applications reveal the high precision and performance of the proposed method. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Applied Mathematics and Computing Springer Journals

Effective numerical technique for solving variable order integro-differential equations

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References (36)

Publisher
Springer Journals
Copyright
Copyright © Korean Society for Informatics and Computational Applied Mathematics 2021
ISSN
1598-5865
eISSN
1865-2085
DOI
10.1007/s12190-021-01640-8
Publisher site
See Article on Publisher Site

Abstract

In this article, an effective numerical technique for solving the variable order Fredholm–Volterra integro-differential equations (VO-FV-IDEs), systems of VO-FV-IDEs and variable order Volterra partial integro-differential equations (VO-V-PIDEs) is given. The suggested technique is built on the combination of the spectral collocation method with some types of operational matrices of the variable order fractional differentiation and integration of the shifted fractional Gegenbauer polynomials (SFGPs). The proposed technique reduces the considered problems to systems of algebraic equations that are straightforward to solve. The error bound estimation of using SFGPs is discussed. Finally, the suggested technique’s authenticity and efficacy are tested via presenting several numerical applications. Comparisons between the outcomes achieved by implementing the proposed method with other numerical methods in the existing literature are held, the obtained numerical results of these applications reveal the high precision and performance of the proposed method.

Journal

Journal of Applied Mathematics and ComputingSpringer Journals

Published: Aug 1, 2022

Keywords: Distinct kinds of variable order integro-differential equations; Shifted fractional Gegenbauer polynomials; Operational matrices; Collocation method; 34A08; 33C45; 65M70

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