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

• 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, 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。
• 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。
• The relation between independence and non-correlation of a random variable is discussed in the paper and the relation between two random variables is described in detail.
  文章讨论了随机变量相互独立与不相关的联系，并对两个随机变量的相互独立与不相关进行了细致的讨论。
• 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 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。
• An estimator is a random variable.
  估计量是一个随机变量。
• 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。
• 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。
• 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。