random variable
基本解释
- [数] 随机变数，[数] 随机变量；无规变量
英汉例句
- A random variable is a function that takes values based on a probability distribution.
随机变量是一个根据概率分布取值的函数。 - A random variable, such as time in the example above, is associated with properties that are different from those associated with a single value.
随机变量，如上例中的时间， 与一些特性相关，这些特性不同于那些与单个值相关的特性。 - So the task duration is not a single real number, rather it is a random variable that describes the likelihood of completion within a certain range of time.
所以任务持续时间不是一个单一的实数，而是描述一定时间范围内完成的可能性的随机变量。 - If you have an experiment and the outcome of the experiment is a number, then a random variable is the number that comes from the experiment.
如果你有一个试验,这个试验的结果是一个数,那么相对应的随机变量,指的就是这个试验结果所对应的那个数
耶鲁公开课 - 金融市场课程节选 - For example, the experiment could be tossing a coin, I will call the outcome heads the number one, and I'll call the outcome tails the number zero, so I've just defined a random variable.
比方说,抛硬币的试验,我将正面向上的结果对应数字1,反面向上的结果对应数字0,这样我就定义了一个随机变量
耶鲁公开课 - 金融市场课程节选 - I have it down that there might be an infinite number of possible values for the random variable x.
对于这个随机变量X,可能的取值个数是无限的
耶鲁公开课 - 金融市场课程节选
双语例句
原声例句
词组短语
- random extraneous variable 随机的额外变量
- Random Fuzzy Variable 随机模糊变量
- random of variable 变量随机性
- random &variable 随机变量
- Random Independent Variable 随机解释变量
短语
英英字典
- a quantity that may take any of a range of values, either continuous or discrete, which cannot be predicted with certainty but only described probabilistically ( abbr: rv)
柯林斯英英字典
专业释义
- 随机变量
In the former two situations, the exit time is assumed to be a random variable and in the last situation the exit time is assumed to be a stochastic process.
对前两种情形考虑退出时间是个随机变量，对最后一种情形考虑退出时间是个随机过程。土木建筑工程
- 随机变量
- 随机变數
- 随机变数
- 随机变量
- 无规变量
- 随机变量
- 随机变数
- 随机变量
- 变数
- 随机变数