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

• Its main theoretical base is the law of large numbers in the theory of probability, whose main means is the sampling of random variable.
  它的主要理论基础是概率论中的大数定理，其主要手段是随机变量的抽样。
• An estimator is a random variable.
  估计量是一个随机变量。
• 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。
• In a given period the seasonal goods can be ordered at a discount price, and the demand for the goods is an issue of discrete random variable.
  讨论了在一个时期内商品的订购价格有折扣，而且该商品的需求量是离散型随机变量的订购问题，得出了使利润最大化的最佳订购量的计算方法。
• 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。
• 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。
• 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。
• 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***结构可靠度，并对其随机性的影响因素进行了灵敏度分析。
• 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？
• 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。