An efficient approach for solving the fractional model of the human T-cell lymphotropic virus I by the spectral method

Document Type : Research Article

Authors

Mathematical modeling laboratory, School of Mathematics, Iran University of Science and Technology, Narmak 16844, Tehran, Iran

Abstract

This paper aims to present a new and efficient numerical method to approximate the solution of the fractional model of human T-cell lymphotropic virus I (HTLV-I) infection $CD4^+T$-cells. The approximate solution of the model is obtained using the shifted Chebyshev collocation spectral method. This model relates to the class of nonlinear ordinary differential equations. The proposed algorithm reduces the Caputo sense fractional model to a system of nonlinear algebraic equations that can be solved numerically. The convergence of the proposed method is investigated. The graphical result is compared with existing numerical methods reported in the literature to indicate the efficiency and reliability of the presented method.

Keywords


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