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

• Expected value type instance on the stack.
  堆栈上需要值类型实例。
• 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。
• 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
• 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；
• 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 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。
• Expected value of a probability distribution
  一种概率分布的期望值
• 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。
• 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；