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摘要: |
本文研究了两种群随机Lotka-Volterra竞争模型的参数估计的问题.利用最小二乘法,获得了点估计及(1-α)置信区间估计,同时得到了影响置信区间长度的因素.最后给出数值模拟,结果表明该方法的可行性与有效性. |
关键词: 随机Lotka-Volterra竞争模型 回归模型 最小二乘法 点估计 置信区间 |
DOI: |
分类号:O212.1 |
基金项目:国家自然科学基金资助(11661054;11461053). |
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PARAMETER ESTIMATION FOR LOTKA-VOLTERRA COMPETITION MODEL WITH RANDOM PERTURBATIONS |
MA Yong-gang,ZHANG Qi-min,LIU Jun-mei
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Abstract: |
In this paper, the problem of parameter estimation for two species stochastic Lotka-Volterra competition model is studied. By using the method of least squares, we obtain the point estimate and the (1 -α) confidence interval, and we get the factors which influence the confidence interval length. Finally, the numerical simulation results show that the method is feasible and effective. |
Key words: Lotka-Volterra competition model regression model least squares method point estimators interval estimation |