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
- 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 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 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。 - 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。 - 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。 - 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。 - 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 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。 - ( statistics) being or having a random variable.
（统）是随机变数或有随机变数。 - 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。