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 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 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 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。
• ( statistics) being or having a random variable.
  （统）是随机变数或有随机变数。
• 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。
• 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。
• 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。
• In the paper, we discuss a new discrete risk model perturbed by diffusion The premium rate in this risk model is a random variable.
  建立了一类带干扰离散风险模型，并且保费收取率为随机变量。
• 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。
• 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