| 卷积公式的另外一种证法及其应用 |
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| 引用本文： | 王艳丽,李俊.卷积公式的另外一种证法及其应用[J].安顺师范高等专科学校学报,2011(6):134-136. |
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| 作者姓名： | 王艳丽 李俊 |
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| 作者单位： | 安顺学院数计系,贵州安顺561000 |
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| 摘 要： | 卷积公式有离散型随机变量和连续性随机变量两种形式.文章介绍了卷积公式的另外一种证法,并用其证明了一些分布的可加性,尤其强调了可加性中随机变量相互独立的条件必不可少。
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| 关 键 词： | 随机变量 卷积公式 随机变量的独立性 条件数学期望 |
Another Proof And Application Of Convolution Formula |
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| Wang Yanli,Li Jun.Another Proof And Application Of Convolution Formula[J].Journal of Anshun Teachers College,2011(6):134-136. |
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| Authors: | Wang Yanli Li Jun |
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| Institution: | 1、2.Department of Mathematics and Computer Science,Anshun University,Anshun 561000,Guizhou,China) |
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| Abstract: | Formula for convolution has two forms of discrete random variable and continuous random variable.In this paper we give another proof of convolution formula,and then prove the additive property for a few important distributions with it,especially emphasize on the condition of independence. |
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| Keywords: | Two-dimensional random variables Convolution formula The independence of random variable Conditional mathematical expectation |
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