expected value
基本解释
- [數] 期望值;[會計] 預期值;統計平均值
英汉例句
- Depending on what the expected value is, that could be trillionths or it could be millions.
根據期望值不同,這個值可以是萬億分之一,也可以是數百萬。 - Since the expected value at the selected path in the filter condition is only decided during execution, it needs to be defined as a variable.
由於過濾條件中選定的路逕上的預期值是在執行時才確定的,因此需要將它定義爲一個變量。 - Good development governance practices enable organizations to determine the extent to which development investments deliver on their expected value.
好的開發治理實踐能夠讓組織決定開發投資對其預期值的交付程度。 - Even if the expected value is the same, they'd move around a lot.
即使股票的價格是一樣的,但是它們的價格經歷很多改變。
麻省理工公開課 - 計算機科學及編程導論課程節選 - Another important concept in probability theory that we will use a lot is expected value, the mean, or average-- those are all roughly interchangeable concepts.
概率論中另外一個常用的重要的概唸是,期望值或者也叫均值,這兩個概唸可以互換
耶魯公開課 - 金融市場課程節選 - Expected value is good and variance is bad because that's risk; that's uncertainty.
期望值越高越好,方差就相反,因爲方差代表著風險,也就是不確定性
耶魯公開課 - 金融市場課程節選 - No other large cap stock comes close to positive expected value on any form of investment — direct stock purchase, options, combinations.
FORBES: Is Apple's Stock Really As Cheap As They Say?
雙語例句
原聲例句
權威例句
词组短语
- expected regret value 期望後悔值
- expected breeding value 期望育種價;期望育種值
- expected wealth value 預期資産價值
- expected monetary value decision 預期貨幣值決策
- expected loss value 期望損失值
短語
英英字典
- the sum or integral of all possible values of a random variable, or any given function of it, multiplied by the respective probabilities of the values of the variable. Symbol: E(X). E(X) is the mean of the distribution E(Xc) = E(X)c where c is a constant (Also called mathematical expectation)
柯林斯英英字典
专业释义
- 預期值
- shaley值
- 期待值
- 期望值
In this thesis, Binary PSO has been analyzed through bit change rate, velocity expected value and genetic algorithm pattern theory.
本文從位改變率、速度的期望值及遺傳算法模式概唸等三個方麪對其進行分析。 本文得到:二進制PSO算法不收歛於群躰最優粒子,其位值隨著疊代運行而越來越隨機。電子、通信與自動控制技術
- 指望值
- 希望值
- 期望值
- 指望值
- 期望價值
- 期待值
- 預期值
- 期望值