期刊
MATHEMATICAL METHODS IN THE APPLIED SCIENCES
卷 46, 期 4, 页码 4466-4474出版社
WILEY
DOI: 10.1002/mma.8772
关键词
Caputo derivative; equilibrium points; fractional mathematical model; stability analysis
This research analyzes the fractional-order model of Covid-19 and demonstrates its effectiveness compared to integer-order dynamics through graph visualization.
Since December 2019, the whole world has been facing the big challenge of Covid-19 or 2019-nCoV. Some nations have controlled or are controlling the spread of this virus strongly, but some countries are in big trouble because of their poor control strategies. Nowadays, mathematical models are very effective tools to simulate outbreaks of this virus. In this research, we analyze a fractional-order model of Covid-19 in terms of the Caputo fractional derivative. First, we generalize an integer-order model to a fractional sense, and then, we check the stability of equilibrium points. To check the dynamics of Covid-19, we plot several graphs on the time scale of daily and monthly cases. The main goal of this content is to show the effectiveness of fractional-order models as compared to integer-order dynamics.
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