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
- 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。 - 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 weighted mean of the random variable is the expected value.
随机变量的加权平均值是期望值。 - 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。 - 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。 - 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。 - Some Discussions on Expectation and Variance of Random Variable
关于随机变量数学期望与方差的讨论 - 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。 - Indexes of guidance effectiveness were given by treating the detection distance as a random variable in whole guidance stage.
以发现距离作为整个导引阶段的随机变量，提出导引效能指标。 - 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。