| 离散随机变量数学期望的几种求法 |
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| 引用本文： | 赵强,赖兴珲. 离散随机变量数学期望的几种求法[J]. 玉林师范学院学报, 2006, 27(3): 35-36,56 |
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| 作者姓名： | 赵强 赖兴珲 |
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| 作者单位： | 玉林师范学院,数学与计算机科学系,广西,玉林,53700 |
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| 摘 要： | 从实践的角度,给出了计算离散随机变量数学期望的几种方法.
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| 关 键 词： | 数学期望 微分法 母函数 |
| 文章编号： | 1004-4671（2006）03-0035-02 |
| 收稿时间： | 2005-12-27 |
| 修稿时间： | 2005-12-27 |
Calculation about Mathematics Expectation of Discrete Random Variables |
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| ZHAO Qiang,LAI Xing-hui. Calculation about Mathematics Expectation of Discrete Random Variables[J]. Journal of Yulin Teachers College, 2006, 27(3): 35-36,56 |
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| Authors: | ZHAO Qiang LAI Xing-hui |
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| Abstract: | Based upon related theories and his own teaching experience, the authors of this paper give several methods about the calculation of discrete random variable mathematics expectation. |
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| Keywords: | mathematics expectation differentiation generating function |
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