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。 - 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。 - A random variable is a function that takes values based on a probability distribution.
随机变量是一个根据概率分布取值的函数。 - 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。 - A class of discrete type random variable probability distributions, called negative geometric distribution and negative hypergeometric distribution, are discussed.
本文研究了一类离散型随机变量的概率分布，称之为负几何分布和负超几何分布。 - Do The Function of A Continuous Type of Random Variable Also Belong To One?
连续型随机变量的函数还是连续型随机变量吗？ - The variance of a random variable measures how far from the expected value its values typically are.
随机变量的方差衡量随机变量值与期望值偏离的程度。 - 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。 - The disk structural reliability is calculated by use of Monte Carlo Simulation ( MCS) techniques and Response Surface Method ( RSM). The random variable sensitivity is also analyzed.
分别采用蒙特卡罗法和响应面法计算了***结构可靠度，并对其随机性的影响因素进行了灵敏度分析。