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

• Cumulate probability distribution of trials of random variable of uniform distribution.
  随机变数多次试验结果之累积机率为均匀分布。
• 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。
• 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。
• 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 weighted mean of the random variable is the expected value.
  随机变量的加权平均值是期望值。
• A stochastic scheduling model for hydrothermal power systems is presented based on fuzzy chance constrained programming, taking reservoir inflow and water level for a random variable.
  针对水火电力系统运行调度中所包含的不同种类的不确定量，提出了一种基于模糊随机机会约束规划的短期水火电力系统多目标优化调度模型。
• 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。
• 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, 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 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。