| 分析离散型与连续型样本协方差阵正定性 |
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| 引用本文： | 缪建群.分析离散型与连续型样本协方差阵正定性[J].井冈山学院学报,2007,28(10M):34-37. |
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| 作者姓名： | 缪建群 |
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| 作者单位： | 江西农业大学理学院数学系,江西南昌330045 |
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| 摘 要： | 分析当多元随机变量协方差阵正定时，各随机分量应满足的关系，并结合多项分布研究离散型与连续型样本协方差阵的不同。
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| 关 键 词： | 正定 协方差阵 多项分布 样本 |
| 文章编号： | 1673-4718（2007）10-0034-04 |
| 修稿时间： | 2007-06-18 |
Analyzing the difference of positive defined matrix of discrete and continuous sample |
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| MIAO Jian-qun.Analyzing the difference of positive defined matrix of discrete and continuous sample[J].Journal of Jinggangshan University,2007,28(10M):34-37. |
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| Authors: | MIAO Jian-qun |
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| Institution: | Math Dept Science College of Jiangxi agriculture university, Nanchang 550025, China |
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| Abstract: | Analyzing the relationship among weights when covariance matrix is positive defined. And studying the difference of positive defined matrix of discrete and continuous sample by using of maldistribution and the relationship among weights. |
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| Keywords: | positive defined covariance matrix mal-distribution sample |
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