A computational algorithm for the numerical solution of fractional order delay differential equations

Rohul Amin, Kamal Shah, Muhammad Asif and Imran Khan

Applied Mathematics and Computation, 2021, vol. 402, issue C

Abstract: In this paper, a collocation technique based on Haar wavelet is developed for the solution of delay fractional order differential equations (FODEs). The developed technique is applied to both nonlinear and linear delay FODEs. The Haar technique reduces the given equations to a system of nonlinear and linear algebraic equations. The derived nonlinear system is solved by Broyden’s technique while the linear system is solved by Gauss elimination technique. Some examples are taken from literature for checking the validation and convergence of the Haar collocation technique. The comparison of approximate and exact solution are given in figures. The mean square root and maximum absolute errors for distant number of grid points are calculated. The results show that Haar wavelet collocation technique (HWCT) is easy and efficient for solving delay type FODEs. Fractional derivative is described in the Caputo sense throughout the paper.

Keywords: Collocation technique; Haar wavelet method; FODEs; Broyden’s technique (search for similar items in EconPapers)
Date: 2021
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Citations: View citations in EconPapers (4)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:apmaco:v:402:y:2021:i:c:s009630032030816x

DOI: 10.1016/j.amc.2020.125863

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