Journal
MATHEMATICAL MODELLING AND CONTROL
Volume 2, Issue 4, Pages 228-242Publisher
AMER INST MATHEMATICAL SCIENCES-AIMS
DOI: 10.3934/mmc.2022022
Keywords
fractional derivatives; fractional integral; Hyers Ulams stability; Lagrange?s interpolation
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This paper investigates the COVID-19 disease using non-integer derivatives and simulates the transmission patterns of the epidemic based on mathematical models and real-world data.
The Covid illness (COVID-19), which has emerged, is a highly infectious viral disease. This disease led to thousands of infected cases worldwide . Several mathematical compartmental models have been examined recently in order to better understand the Covid disease. The majority of these models rely on integer-order derivatives, which are incapable of capturing the fading memory and crossover behaviour observed in many biological phenomena. Similarly, the Covid disease is investigated in this paper by exploring the elements of COVID-19 pathogens using the non-integer Atangana-Baleanu-Caputo derivative. Using fixed point theory, we demonstrate the existence and uniqueness of the model's solution. All basic properties for the given model are investigated in addition to Ulam-Hyers stability analysis. The numerical scheme is based on Lagrange's interpolation polynomial developed to estimate the model's approximate solution. Using real-world data, we simulate the outcomes for different fractional orders in Matlab to illustrate the transmission patterns of the present Coronavirus-19 epidemic through graphs.
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