湖泊水和沉积物磷模型的直观模糊微分方程方法

Healthcare analytics (New York, N.Y.) Pub Date : 2023-12-19 DOI:10.1016/j.health.2023.100294

Ashish Acharya , Sanjoy Mahato , Nikhilesh Sil , Animesh Mahata , Supriya Mukherjee , Sanat Kumar Mahato , Banamali Roy

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摘要

直观模糊集无法考虑不确定程度（即犹豫程度）。本研究提出了一种湖泊水和沉积物磷模型的直观模糊微分方程方法。我们通过假设初始条件为广义梯形直觉模糊数来检验所提出的模型。评估了可行的平衡点及其稳定性标准。我们描述了直觉模糊解的特点，并阐明了强直觉模糊解和弱直觉模糊解之间的区别。我们使用 MATLAB 进行了数值模拟，以验证模型结果。

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An intuitionistic fuzzy differential equation approach for the lake water and sediment phosphorus model

Intuitionistic fuzzy sets cannot consider the degree of indeterminacy (i.e., the degree of hesitation). This study presents an intuitionistic fuzzy differential equation approach for the lake water and sediment phosphorus model. We examine the proposed model by assuming generalized trapezoidal intuitionistic fuzzy numbers for the initial condition. Feasible equilibrium points, along with their stability criteria, are evaluated. We describe the characteristics of intuitionistic fuzzy solutions and clarify the difference between strong and weak intuitionistic fuzzy solutions. Numerical simulations are performed in MATLAB to validate the model results.

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