期刊
DISCRETE DYNAMICS IN NATURE AND SOCIETY
卷 2022, 期 -, 页码 -出版社
HINDAWI LTD
DOI: 10.1155/2022/1241761
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This paper analyzes the mathematical model of a prey-predator system with immigrant prey and proposes a novel soft computing technique called LeNN-WOA-NM algorithm to solve it. The algorithm combines the function approximating ability of LeNNs, the global search ability of WOA, and the local search mechanism of Nelder-Mead algorithm. The effectiveness of the proposed algorithm is established through statistical data obtained from the study of variations on the growth rate, force of interaction, and catching rate. The efficiency of solutions obtained by LeNN-WOA-NM is validated through performance measures including absolute errors, MAD, TIC, and ENSE.
In this paper, a mathematical model for the system of prey-predator with immigrant prey has been analyzed to find an approximate solution for immigrant prey population density, local prey population density, and predator population density. Furthermore, we present a novel soft computing technique named LeNN-WOA-NM algorithm for solving the mathematical model of the prey-predator system with immigrant prey. The proposed algorithm uses a function approximating ability of Legendre polynomials based on Legendre neural networks (LeNNs), global search ability of the whale optimization algorithm (WOA), and a local search mechanism of the Nelder-Mead algorithm. The LeNN-WOA-NM algorithm is applied to study the effect of variations on the growth rate, the force of interaction, and the catching rate of local prey and immigrant prey. The statistical data obtained by the proposed technique establish the effectiveness of the proposed algorithm when compared with techniques in the latest literature. The efficiency of solutions obtained by LeNN-WOA-NM is validated through performance measures including absolute errors, MAD, TIC, and ENSE.
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