A dynamically consistent approximation for an epidemic model with fuzzy parameters
Expert Systems with Applications, ISSN: 0957-4174, Vol: 210, Page: 118066
2022
- 6Citations
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Article Description
In this article, a susceptible, infectious, and recovered (SIR) model with fuzzy parameters is discussed. These concepts are uncertain due to the different degrees of susceptibility, infectivity, and recovery among the individuals in the population. Differences may appear when the populations considered have different ages, habits, customs, and different levels of resistance, etc. More realistic models are needed which consider these different degrees of susceptibility, infectivity, and recovery of the individuals to overcome the above uncertainties. The existence and uniqueness of the model are studied. Forward Euler and NSFD methods were employed to solve the model in classical and fuzzy senses. The developed fuzzy NSFD method preserves positivity and convergence which are the main features of a dynamic system. To the best of our knowledge, the numerical analysis of the studied SIR model using the forward Euler, fuzzy Euler, NSFD, and FNSFD schemes has not been specifically studied in the literature.
Bibliographic Details
http://www.sciencedirect.com/science/article/pii/S0957417422012714; http://dx.doi.org/10.1016/j.eswa.2022.118066; http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85136266736&origin=inward; https://linkinghub.elsevier.com/retrieve/pii/S0957417422012714; https://dx.doi.org/10.1016/j.eswa.2022.118066
Elsevier BV
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