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。
• 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。
• 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。
• 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。
• 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。
• ( 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。
• 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
• 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。