| 求Z=X Y的概率密度的曲线积分法 |
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| 引用本文： | 朱焕然.求Z=X Y的概率密度的曲线积分法[J].湖南科技大学学报(自然科学版),1998(4). |
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| 作者姓名： | 朱焕然 |
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| 作者单位： | 湘潭矿业学院数理系!湖南湘潭，411201 |
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| 摘 要： | 求Z＝X＋Y的概率密度一般采用先求二重积分，再求导．本文给出了一种新的更简便的求法──由曲线积分获得．此法可推广到求Z＝aX＋bY的概率密度．图3，参5
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| 关 键 词： | 概率密度 曲线积分 二重积分 |
A SOLUTION TO COMPUTING PROBABILITY DENSITY OF Z=X Y BY WAY OF CURVILINEAR INTEGRAL |
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| Zhu Huanran.A SOLUTION TO COMPUTING PROBABILITY DENSITY OF Z=X Y BY WAY OF CURVILINEAR INTEGRAL[J].Journal of Hunan University of Science & Technology(Natural Science Editon),1998(4). |
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| Authors: | Zhu Huanran |
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| Abstract: | This paper gives a new solution to the probability density of Z=X Y. It is obtained by way of carvilinear integral. Computing probability density of Z= aX by can use the solution too. 3figs., 5refs. |
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| Keywords: | probability density double integral curvilinear integral |
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