单词盒子

random variables

R 开头单词

基本解释

  • 随机变量；随机变数

英汉例句

    双语例句

  • We often assume in finance that random variables, such as returns, are normally distributed.
    我们经常在金融学中假设随机变量，比如回报，是正态分布的。
  • Both cost and effort are random variables whose variances will reduce over the lifecycle of the project.
    成本和工作是随机变量，需要在项目生命周期中减少它们的方差。
  • This refers to random variables that have fat-tailed distributions--random variables that occasionally give you really big outcomes.
    这是指随机变量有后尾分布--那些能够偶尔会给你带来非常大的产出的随机变量。

    • 原声例句

  • This refers to random variables that have fat-tailed distributions-- random variables that occasionally give you really big outcomes.
    这就表示,服从长尾分布的随机变量,这些数据出现极端值的概率比较大
    耶鲁公开课 - 金融市场课程节选
  • We have instead what's called a probability density when we have continuous random variables.
    所以我们用概率密度的概念来描述,连续型随机变量的情况
    耶鲁公开课 - 金融市场课程节选
  • We often assume in finance that random variables, such as returns,are normally distributed.
    金融学中我们常假设随机变量,例如收益率,是服从正态分布的
    耶鲁公开课 - 金融市场课程节选

    • 权威例句

  • There are limits to what monetary policy can accomplish and to forecasting random variables like interest rates and asset prices.
    FORBES: The Fed's Incredible Rate Forecasting Hubris

词组短语

    短语

  • random m variables 随机变量
  • Continuous random variables 连续型随机变量;变量;随机变數
  • discrete random variables 离散型随机变量;离散变量;離散随机变數
  • Bivariate Random Variables 二元随机变数
  • Independence of random variables 随机变量的相互独立性;随机变量的独立性

专业释义

    计算机科学技术

  • 随机变量

    The fixed-charged transportation problem with random variables is studied.
    研究了含随机变量的固定费用的运输问题，对运输问题数学模型进行了描述，通过Steiner树问题的转换证明了该问题是NP难问题。

    交通运输工程

  • 随机变量

    The variation of basic random variables is discussed and their statistic characteristics are determined.
    讨论了随机变量的变异性,确定了基本随机变量的统计特征。

    电子、通信与自动控制技术

  • 随机变数