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Research Article Open access CC BY 4.0

Modeling Exponential Growth and Exponential Decay Real Phenomena by Ψ-Caputo Fractional Derivative

M. Awadalla, Y. Y. Yameni

Journal of Advances in Mathematics and Computer Science · pp. 1–13 · Published 27 Jul 2018

10.9734/JAMCS/2018/43054

Abstract

The concept of ‘Ψ - Caputo’ fractional derivative is discussed in this article. This method is based on the fractional derivative in Caputo sense of a function with respect to another function Ψ , called kernel. The kernel function  Ψ , is any increasing function such that . Experimental studies are used to support the fact that fractional approach of solving differential equations is often better than the classical ordinary approach. The solution to two exponential decay models and one exponential growth model are built using the classical approach and the kernel approach. Several kernel functions are considered and their performances evaluated.

Exponential decay exponential growth Ψ-Caputo fractional derivative optimization initial value problems

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