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

• 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。
• The expected value itself very rarely can help us.
  期望值本身很难帮助我们。
• 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。
• 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。
• 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；
• 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。
• Expected value type instance on the stack.
  堆栈上需要值类型实例。
• 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。
• What is the expected value of these risks?
  这些风险的预期值是多少？
• 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。