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
- 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。 - This paper, taking the two-dimensional separate random variable as an example, produced the mutually independent distinctions method for separate random variable, and made a comparison between them.
以二维离散型随机变量为例，给出了离散型随机变量相互独立的几个判别方法，并对其进行了比较。 - An estimator is a random variable.
估计量是一个随机变量。 - Taking the electromagnetic variable stiffness support as the target of study, the supporting system of random variable stiffness was analyzed and the working principle of this system was introduced.
以电磁变刚度支撑为研究对象，分析了随机变刚度支撑系统，介绍了该系统的工作原理。 - 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。 - 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。 - The expected value of the square of the deviations of a random variable from the point of origin.
偏离原点的随机变量的偏差平方的期望值。 - 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。 - In this paper, we study the distribution law of order statistic of discrete type random variable.
本文论述了离散型随机变量的次序统计量的分布律及其有关推论。 - In the model, shortages are allowed and the backorder rate is a random variable.
存货系统中允许缺货发生且为部分欠拨，欠拨为一随机变。