具有随机初始条件的比例捕食者-猎物模型

A. H. A. Omar, Iman Aissa Alghannay Ahmed
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引用次数: 0

摘要

本文考虑具有比例依赖函数响应的捕食者-猎物模型,其中随机性仅通过初始条件进入方程。通过假设模型的初始状态为正态分布来处理随机性。对于这些方程来说,从确定性情况到随机情况的过渡也是最透明的。此外,本文还利用基于五阶改进龙格-库塔方法的修正方法进行了数值模拟。此外,还将分析和讨论平衡点的稳定性以及与捕食者及其猎物的随机行为有关的某些统计性质。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
The Ratio Predator-Prey Model with Random Initial Conditions
In this work, the predator-prey model with the ratio-dependent functional response is considered,  where the randomness enters into the equations only through their initial conditions. It is done by assuming normal distribution as the initial states of the model to treat the randomness. The passage from the deterministic situation to the random one for these equations is also the most transparent. In addition, a numerical simulation will be offered using the modified approach founded on the fifth-order improved Runge-Kutta method. Furthermore, the stability of the equilibrium points, and certain statistical properties related to the random behaviour of predators and their prey, will be analyzed and discussed.
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