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Piecewise derivatives versus short memory concept: analysis and application
Abdon Atangana1,2, Seda Iǧret Araz1,3
1Faculty of Natural and Agricultural Sciences, University of the Free State, South Africa.
Abstract:
We have provided a detailed analysis to show the fundamental difference between the concept of short memory and piecewise differential and integral operators. While the concept of short memory leads to different long tails in different intervals of time or space as a result of a power law with different fractional orders, the concept of piecewise helps to depict crossover behaviors of different patterns. We presented some examples with different numerical simulations. In some cases piecewise models led to transitional behavior from deterministic to stochastic, this is indeed the reason why this concept was introduced.
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