expected value

英 [ɪkˈspektɪd ˈvæljuː]

美 [ɪkˈspektɪd ˈvæljuː]

期望（预期）值

计算机化学

英英释义

noun

• the sum of the values of a random variable divided by the number of values
  Synonym:arithmetic meanfirst momentexpectation

双语例句

• I come from a math background, I believe in expected value.
  我自己是学数学的，所以很相信期望值。
• The expected value itself very rarely can help us.
  期望值本身很难帮助我们。
• Study and Application of DEA Model Based on the Expected Value
  基于期望值的DEA模型研究及应用
• On an expected value basis, the obvious decision was to stick with finance.
  若按常人的观点，很显然，我应该坚持做我的金融。
• This would be unfortunate, however, because$ 10m is already the expected value of the asset.
  但这可真令人遗憾，因为1000万美元已经是该资产的预期价值。
• Depending on what the expected value is, that could be trillionths or it could be millions.
  根据期望值不同，这个值可以是万亿分之一，也可以是数百万。
• The method assert compares an expected value to an actual value for the particular test scenario.
  这个方法assert在这个特殊的测试情景下，将期望值与实际值进行了对比。
• So perhaps you can steel yourself to follow decision theory and go for the higher expected value.
  因此，或许你可以让自己坚强起来，遵循决策论，追逐更高的预期价值。
• Expected value of a probability distribution
  一种概率分布的期望值
• ( statistics) approximating the statistical norm or average or expected value.
  （统计学）接近统计的标准、平均数或预期值的。