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
- 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。 - ( statistics) being or having a random variable.
（统）是随机变数或有随机变数。 - This paper presents a reliability design method for fatigue strength of steam turbine parts subjected to alternating and mean stess with random variable stress ratio.
本文介绍了应力幅和平均应力之比为随机变量时汽轮机零件疲劳强度的可靠性设计方法。 - 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。 - Asymptotic Distribution of Chi-square Random Variable with Random Degree of Freedom
带有随机自由度的卡方随机变量的渐近分布 - 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 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。 - A random variable, such as time in the example above, is associated with properties that are different from those associated with a single value.
随机变量，如上例中的时间，与一些特性相关，这些特性不同于那些与单个值相关的特性。 - 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 distributing function of random variable is an important concept in the theory of ratio.
随机变量的分布函数是概率论中的重要概念。