Psi-Caputo Logistic Population Growth Model

Muath Awadalla, Yves Yannick Yameni Noupoue, Kinda Abu Asbeh and Nan-Jing Huang

Journal of Mathematics, 2021, vol. 2021, 1-9

Abstract: This article studies modeling of a population growth by logistic equation when the population carrying capacity K tends to infinity. Results are obtained using fractional calculus theories. A fractional derivative known as psi-Caputo plays a substantial role in the study. We proved existence and uniqueness of the solution to the problem using the psi-Caputo fractional derivative. The Chinese population, whose carrying capacity, K, tends to infinity, is used as evidence to prove that the proposed approach is appropriate and performs better than the usual logistic growth equation for a population with a large carrying capacity. A psi-Caputo logistic model with the kernel function x+1 performed the best as it minimized the error rate to 3.20% with a fractional order of derivative α = 1.6455.

Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jjmath:8634280

DOI: 10.1155/2021/8634280

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