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
- An estimator is a random variable.
估计量是一个随机变量。 - 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。 - 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 - ( statistics) being or having a random variable.
（统）是随机变数或有随机变数。 - 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。 - 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 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。 - 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 - In order to analyze the effect of the nonlinearity of the function on calculating the expectation and variance of nonlinear function of continuous random variable, a set of examples are designed.
为了研究近似法对求连续随机变量高阶非线性函数的期望和方差的影响，用典型算例分析了非线性函数的曲率强度对结果的影响。