EXTENSION OF HAAR WAVELET TECHNIQUES FOR MITTAG-LEFFLER TYPE FRACTIONAL FREDHOLM INTEGRO-DIFFERENTIAL EQUATIONS

Jiraporn Reunsumrit (), Kamal Shah, Aziz Khan, Rohul Amin (), Israr Ahmad () and Thanin Sitthiwirattham ()
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Jiraporn Reunsumrit: Department of Mathematics, Faculty of Applied Science, King Mongkut’s University of Technology North Bangkok, Bangkok 10800, Thailand
Kamal Shah: Department of Mathematics and Sciences, Prince Sultan University, 11586 Riyadh, Saudi Arabia3Department of Mathematics, University of Malakand, Chakdara Dir(L), 18000 Khyber Pakhtunkhwa, Pakistan
Aziz Khan: Department of Mathematics and Sciences, Prince Sultan University, 11586 Riyadh, Saudi Arabia
Rohul Amin: Department of Mathematics, University of Peshawar, Khyber Pakhtunkhwa, Pakistan
Israr Ahmad: Department of Mathematics, Government Post Graduate Jahanzeb College, Swat, Khyber Pakhtunkhwa, Pakistan
Thanin Sitthiwirattham: Mathematics Department, Faculty of Science and Technology, Suan Dusit University, Bangkok 10300, Thailand

FRACTALS (fractals), 2023, vol. 31, issue 02, 1-14

Abstract: Fractional order integro-differential equation (FOIDE) of Fredholm type is considered in this paper. The mentioned equations have many applications in mathematical modeling of real world phenomenon like image and signal processing. Keeping the aforementioned importance, we study the considered problem from two different aspects which include the existence theory and computation of numerical approximate solution. FOIDEs have been investigated very well by using Caputo-type derivative for the existence theory and numerical solutions. But the mentioned problems have very rarely considered under the Mittage-Leffler-type derivative. Also, for FOIDE of Fredholm type under Mittage-Leffler-type derivative has not yet treated by using Haar wavelet (HW) method. The aforementioned derivative is non-singular and nonlocal in nature as compared to classical Caputo derivative of fractional order. In many cases, the nonsingular nature is helpful in numerical computation. Therefore, we develop the existence theory for the considered problem by using fixed point theory. Sufficient conditions are established which demonstrate the existence and uniqueness of solution to the proposed problem. Further on utilizing HW method, a numerical scheme is developed to compute the approximate solution. Various numerical examples are given to demonstrate the applicability of our results. Also, comparison between exact and numerical solution for various fractional orders in the considered examples is given. Numerical results are displayed graphically.

Keywords: FOIDEs; Fixed Point Theory; HW Technique; Numerical Solution (search for similar items in EconPapers)
Date: 2023
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DOI: 10.1142/S0218348X23400388

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