NUMERICAL SIMULATION AND ANALYSIS OF A CAPUTO FRACTIONAL-ORDER SEIR MODEL FOR COVID-19 PREVALENCE USING THE HERMITE POLYNOMIAL COLLOCATION AND LAPLACE-ADOMIAN DECOMPOSITION METHODS

Authors

  • Morufu Oyedunsi Olayiwola
    Osun State University
  • Ajimot Folasade Adebisi
    Osun State University
  • Bosede Abubakre
    University of Ilesa
  • Akeem Olarewaju Yunus
    Osun State University

Keywords:

Hermite Polynomials, Collocation Methods, Simulations Analysis, Laplace-Adomian Decomposition Method, SARS-CoV-2 Variants

Abstract

COVID-19 poses major public health challenges due to its high transmissibility. This study presents a novel numerical framework based on a fractional-order SEIR model to explore serotonin transfer and evaluate control strategies for emerging SARS-CoV-2 variants. By including the exposed compartment, the extended SEIR model offers improved insight into variant transmission dynamics. Two advanced numerical techniques are compared: the Hermite Collocation Method (HCM) and the Laplace-Adomian Decomposition Method (LADM). Due to the model's inherent nonlinearity, finding exact solutions is difficult. To overcome this, the model is transformed into a nonlinear algebraic system using Hermite polynomial collocation with Caputo fractional derivatives. Expansion coefficients representing the approximate solution are computed with Maple software, enabling precise analysis of disease dynamics. The fractional derivative framework captures memory effects that influence transmission, particularly under changing viral conditions. Simulations reveal that both methods effectively reduce transmission and hospitalizations, but HCM outperforms LADM in accuracy and convergence speed. The results demonstrate the strength of fractional-order modeling in describing real-world epidemic patterns, especially with evolving COVID-19 variants. HCM’s high reliability positions it as a valuable predictive tool for health authorities. Its precision allows for early detection of outbreaks and supports the formulation of responsive public health strategies. This study emphasizes the importance of advanced mathematical modeling in managing infectious diseases and recommends HCM as a reliable method for anticipating variant behavior. Policymakers can apply this approach to develop timely, adaptive interventions for future COVID-19 variants and similar pandemics.

Dimensions

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Published

11-10-2025

How to Cite

Olayiwola, M. O., Adebisi, A. F., Abubakre, B., & Yunus, A. O. (2025). NUMERICAL SIMULATION AND ANALYSIS OF A CAPUTO FRACTIONAL-ORDER SEIR MODEL FOR COVID-19 PREVALENCE USING THE HERMITE POLYNOMIAL COLLOCATION AND LAPLACE-ADOMIAN DECOMPOSITION METHODS. FUDMA JOURNAL OF SCIENCES, 9(10), 296-311. https://doi.org/10.33003/fjs-2025-0910-3837

Issue

Vol. 9 No. 10 (2025): FUDMA Journal of Sciences - Vol. 9 No. 10

Section

Research Articles
Copyright & Licensing

Copyright (c) 2025 Morufu Oyedunsi Olayiwola, Ajimot Folasade Adebisi, Bosede Abubakre, Akeem Olarewaju Yunus

Creative Commons License

This work is licensed under a Creative Commons Attribution 4.0 International License.

How to Cite

Olayiwola, M. O., Adebisi, A. F., Abubakre, B., & Yunus, A. O. (2025). NUMERICAL SIMULATION AND ANALYSIS OF A CAPUTO FRACTIONAL-ORDER SEIR MODEL FOR COVID-19 PREVALENCE USING THE HERMITE POLYNOMIAL COLLOCATION AND LAPLACE-ADOMIAN DECOMPOSITION METHODS. FUDMA JOURNAL OF SCIENCES, 9(10), 296-311. https://doi.org/10.33003/fjs-2025-0910-3837

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