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
英英释义
noun
- a variable quantity that is random
双语例句
- 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。 - 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 model, shortages are allowed and the backorder rate is a random variable.
存货系统中允许缺货发生且为部分欠拨,欠拨为一随机变。 - 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。 - 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 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。 - 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。 - Thermal fatigue Random variable Probabilistic analysis Solder joint Lognormal distribution;
热疲劳;随机变量;概率分析;焊点;对数正态分布; - 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。 - 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。