random variable
英 [ˈrændəm ˈveəriəbl]
美 [ˈrændəm ˈveriəbl]
网络 随机变量; 随即变量; 隨機變數; 随机变数; 变数
英英释义
noun
- a variable quantity that is random
双语例句
- In the paper, we discuss a new discrete risk model perturbed by diffusion The premium rate in this risk model is a random variable.
建立了一类带干扰离散风险模型，并且保费收取率为随机变量。 - The sum of the values of a random variable divided by the number of values.
随机变数数值之和除以其数量。 - The weighted mean of the random variable is the expected value.
随机变量的加权平均值是期望值。 - The relation between independence and non-correlation of a random variable is discussed in the paper and the relation between two random variables is described in detail.
文章讨论了随机变量相互独立与不相关的联系，并对两个随机变量的相互独立与不相关进行了细致的讨论。 - An estimator is a random variable.
估计量是一个随机变量。 - In our notation, the name of a random variable is always a capital letter, for example, X.
在我们的记法，一个随机变量的名字总是一个大写字母，例如，X。 - Cumulate probability distribution of trials of random variable of uniform distribution.
随机变数多次试验结果之累积机率为均匀分布。 - A stochastic scheduling model for hydrothermal power systems is presented based on fuzzy chance constrained programming, taking reservoir inflow and water level for a random variable.
针对水火电力系统运行调度中所包含的不同种类的不确定量，提出了一种基于模糊随机机会约束规划的短期水火电力系统多目标优化调度模型。 - Instead of this single value, a random variable has a function that describes the likelihood of values for the estimate and is called the variable's probability distribution.
取代单个值，随机变量拥有描述估计值可能性的函数，该函数称为变量的概率分布。 - In a given period the seasonal goods can be ordered at a discount price, and the demand for the goods is an issue of discrete random variable.
讨论了在一个时期内商品的订购价格有折扣，而且该商品的需求量是离散型随机变量的订购问题，得出了使利润最大化的最佳订购量的计算方法。