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

• Besides, a set of survey data is analyzed in this method from the aspects of traditional "Expected Value Theory" and "Prospect Theory" correspondingly.
  从传统的期望效用理论和前景理论两个方面，对一份关于出行者路径选择的调查数据进行了分析；
• Expected value of a probability distribution
  一种概率分布的期望值
• 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；
• Good development governance practices enable organizations to determine the extent to which development investments deliver on their expected value.
  好的开发治理实践能够让组织决定开发投资对其预期值的交付程度。
• What is the expected value of these risks?
  这些风险的预期值是多少？
• 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
• The expected value of the square of the deviations of a random variable from the point of origin.
  偏离原点的随机变量的偏差平方的期望值。
• Each assertion creates a constraint object under the hood which evaluates the expected value against the actual value.
  每个断言其实都在背后创建了一个约束对象，用来比较期待值和实际值。
• 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 variance of a random variable measures how far from the expected value its values typically are.
  随机变量的方差衡量随机变量值与期望值偏离的程度。