基于一种负二项分布的离散需求函数，推导了易腐品利润最大化模型。
According to a kind of demand distribution, which can be represented as a negative binomial distribution, the profit maximization model of those products is deduced.
介绍了用离散型随机变量的二项分布函数从试题库随机选题的数学模型。
This paper introduces the mathematical model for dynamically choosing questions from the question database by using binary distributed function with random variables.
本文考虑了二项分布的可靠性增长模型，给出了各研制阶段参数的约束极大似然估计。
In this paper, reliability growth model for binomial distribution is considered, and the constrained MLE of parameter for each development stage are given.
应用推荐