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

• The weighted mean of the random variable is the expected value.
  随机变量的加权平均值是期望值。
• It compares the expected value to the actual value read from the event occurrence data to determine if duplicate events were consolidated.
  它会比较预期的值和从事件发生数据读取的实际值，从而判断是否整合了重复事件。
• Expected value of a probability distribution
  一种概率分布的期望值
• You need some way of establishing the expected value for the decrypted message, for one thing.
  首先，您需要使用某种方法为解密消息确立预期值。
• 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。
• A new method to count the expected value and variance of time dispersion is presented for time dispersion of underwater optical wireless communication.
  给出了一种计算水下无线光通信中时域展宽的均值和方差的新方法；
• The difference between an observed value and the expected value of a variable or function.
  一个受控变量的实际值和对应于给定的期望值之差。
• The problem is formulated as expected value model, and the objective function is to minimize the setup costs, production costs and inventory holding costs.
  建立了问题的期望值模型，目标函数为极小化生产准备成本、生产成本、库存成本的期望值。
• 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。
• 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。