| x^2-分布、丁-分布、F-分布的W特征函数和矩 |
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| 引用本文： | 王晨阳,刘延洲.x^2-分布、丁-分布、F-分布的W特征函数和矩[J].延安大学学报(自然科学版),2001,20(1):24-27. |
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| 作者姓名： | 王晨阳 刘延洲 |
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| 作者单位： | 1. 延安大学管理系
2. 延安大学附属医院, |
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| 摘 要： | 本文根据二进随机变量X的W特征函数φ（t)的定义，利用二进随机变量X的W特征函数φ(t)在t=0处的五阶二进导数，来计算随机变量X的K阶矩mk，得出了数理统计学中3种重要分布的W特征函数和矩．
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| 关 键 词： | 分布 W特征函数 二进导数 矩 |
| 文章编号： | 1004-602X(2001)01-0024-04 |
| 修稿时间： | 2000年8月30日 |
The walsh characteristic
function and moment of x2-distribution,T-distribution and F-distribution |
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| WANG Chen-yang,LIU Yan-zhou.The walsh characteristic
function and moment of x2-distribution,T-distribution and F-distribution[J].Journal of Yan'an University(Natural Science Edition),2001,20(1):24-27. |
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| Authors: | WANG Chen-yang LIU Yan-zhou |
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| Abstract: | Based on the definition of the walsh characteristic function ψ(t) of dyadic random variabie x,and the k-order dyadic derivative on the condition of t＝o of walsh characteristic function of dyadic random variable x,this paper caculates the k-order moment Mk of the random variable x and arrives at three important distributions of walsh characteristic function and moment. |
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