基本解釋

• [數(shù)] 隨機(jī)變數(shù)，[數(shù)] 隨機(jī)變量；無(wú)規(guī)變量

同根派生

• random variable相關(guān)詞

英漢例句

雙語(yǔ)例句

• A random variable is a function that takes values based on a probability distribution.
  隨機(jī)變量是一個(gè)根據(jù)概率分布取值的函數(shù)。
• A random variable, such as time in the example above, is associated with properties that are different from those associated with a single value.
  隨機(jī)變量，如上例中的時(shí)間， 與一些特性相關(guān)，這些特性不同于那些與單個(gè)值相關(guān)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.
  所以任務(wù)持續(xù)時(shí)間不是一個(gè)單一的實(shí)數(shù)，而是描述一定時(shí)間范圍內(nèi)完成的可能性的隨機(jī)變量。

原聲例句

• 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.
  如果你有一個(gè)試驗(yàn),這個(gè)試驗(yàn)的結(jié)果是一個(gè)數(shù),那么相對(duì)應(yīng)的隨機(jī)變量,指的就是這個(gè)試驗(yàn)結(jié)果所對(duì)應(yīng)的那個(gè)數(shù)
  耶魯公開(kāi)課 - 金融市場(chǎng)課程節(jié)選
• 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.
  比方說(shuō),拋硬幣的試驗(yàn),我將正面向上的結(jié)果對(duì)應(yīng)數(shù)字1,反面向上的結(jié)果對(duì)應(yīng)數(shù)字0,這樣我就定義了一個(gè)隨機(jī)變量
  耶魯公開(kāi)課 - 金融市場(chǎng)課程節(jié)選
• I have it down that there might be an infinite number of possible values for the random variable x.
  對(duì)于這個(gè)隨機(jī)變量X,可能的取值個(gè)數(shù)是無(wú)限的
  耶魯公開(kāi)課 - 金融市場(chǎng)課程節(jié)選

• random variable更多例句

詞組短語(yǔ)

短語(yǔ)

• random extraneous variable 隨機(jī)的額外變量
• Random Fuzzy Variable 隨機(jī)模糊變量
• random of variable 變量隨機(jī)性
• random &variable 隨機(jī)變量
• Random Independent Variable 隨機(jī)解釋變量

• random variable更多詞組

英英字典

柯林斯英英字典

• 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)

• random variable劍橋字典
• random variable柯林斯字典

專業(yè)釋義

經(jīng)濟(jì)學(xué)

• 隨機(jī)變量

  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.
  對(duì)前兩種情形考慮退出時(shí)間是個(gè)隨機(jī)變量，對(duì)最后一種情形考慮退出時(shí)間是個(gè)隨機(jī)過(guò)程。

  土木建筑工程

• 隨機(jī)變量

數(shù)學(xué)

• 隨機(jī)變數(shù)
• 隨機(jī)變數(shù)
• 隨機(jī)變量

地球科學(xué)

• 無(wú)規(guī)變量

生物學(xué)

• 隨機(jī)變量

機(jī)械工程

• 隨機(jī)變數(shù)

測(cè)繪科學(xué)技術(shù)

• 隨機(jī)變量
• 變數(shù)

計(jì)算機(jī)科學(xué)技術(shù)

• 隨機(jī)變數(shù)