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

计算机化学

英英释义

noun

• a variable quantity that is random
  Synonym:variatevariantstochastic variablechance variable

双语例句

• 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
• An estimator is a random variable.
  估计量是一个随机变量。
• 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。
• 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。
• 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。
• 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？
• 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。
• 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轮盘结构可靠度，并对其随机性的影响因素进行了灵敏度分析。
• 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。