Numerical solution of two-dimensional fractional-order reaction advection sub-diffusion equation with finite-difference Fibonacci collocation method

Kushal Dhar Dwivedi and Jagdev Singh

Mathematics and Computers in Simulation (MATCOM), 2021, vol. 181, issue C, 38-50

Abstract: A new finite difference collocation algorithm has been introduced with the help of Fibonacci polynomial and then applied to one super and two sub-diffusion problems having an exact solution. It has also been shown that numerical error obtained with the investigated method is more accurate than previously existing methods. Fractional order reaction advection sub-diffusion equation containing Caputo and Riemann–Liouville fractional derivatives has been solved and the effects due to change in various parameters presented in the considered model with the graphical representation have been discussed.

Keywords: Fractional sub-diffusion equation; Fibonacci polynomial; Finite difference collocation (search for similar items in EconPapers)
Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:eee:matcom:v:181:y:2021:i:c:p:38-50

DOI: 10.1016/j.matcom.2020.09.008

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