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An efficient computational approach for a fractional-order biological population model with carrying capacity

2020; Elsevier BV; Volume: 138; Linguagem: Inglês

10.1016/j.chaos.2020.109880

1873-2887

H. M. Srivastava, Ved Prakash Dubey, Rajnesh Kumar, Jagdev Singh, Devendra Kumar, Dumitru Băleanu,

Mathematical and Theoretical Epidemiology and Ecology Models

In this article, we examine a fractional-order biological population model with carrying capacity. The blended homotopy techniques pertaining to the Sumudu transform are utilized to explore the solutions of a nonlinear fractional-order population model with carrying capacity. The fractional derivative of the Caputo type is utilized in the proposed investigation. The numerical computations indicate the sufficiency of the iterations for the improved estimations of the solutions of this fractional-order biological population model which exemplifies the potency and soundness of the utilized schemes. The analysis explored through the utilization of the projected methods reveals that both of the schemes are in a great agreement with each other. The variations of the prey and predator populations with respect to time and fractional order of the Caputo derivative are presented and graphically illustrated.