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Chebyshev cardinal polynomials for delay distributed-order fractional fourth-order sub-diffusion equation

M.H. Heydari, M. Razzaghi and J. Rouzegar

Chaos, Solitons & Fractals, 2022, vol. 162, issue C

Abstract: In this work, a category of delay distributed-order time fractional fourth-order sub-diffusion equations is investigated. The Chebyshev cardinal polynomials (as a proper class of basis functions) are employed to make an appropriate methodology for these problems. To this end, some matrix relationships regarding the distributed-order fractional differentiation (in the Caputo kind) of these polynomials are extracted and applied in generating the desired approach. The provided method converts solving these problems into obtaining the solution of systems of algebraic equations. The reliability of the technique is evaluated by solving three examples.

Keywords: Delay distributed-order time fractional fourth-order sub-diffusion equation; Chebyshev polynomials; Distributed-order fractional derivative matrix (search for similar items in EconPapers)
Date: 2022
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Persistent link: https://EconPapers.repec.org/RePEc:eee:chsofr:v:162:y:2022:i:c:s0960077922007019

DOI: 10.1016/j.chaos.2022.112495

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