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。 - ( statistics) being or having a random variable.
（统）是随机变数或有随机变数。 - 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。 - 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 - Indexes of guidance effectiveness were given by treating the detection distance as a random variable in whole guidance stage.
以发现距离作为整个导引阶段的随机变量，提出导引效能指标。 - 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 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 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。