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Author:

来向荣 (来向荣.) | 张福仁 (张福仁.)

Abstract:

本文引进n元实变函数的广义n阶导数,证明:若n元分布函数F(x_1,…,x_n)有概率密度函数f(x_1,…,x_n)且f(x_1,…,x_n在点(x_1,…,x_n)处连续,则f(x_1,…,x_n)等于F(x_1,…,x_n)在点(x_1,…,x_n)处的广义n阶导数,但当n≥2时,f(x_1,…,x_n)并不总等于F(x_1,…,x_n)在点(x_1,…,x_n)处的n阶混合偏导数?~nF(x_1,…,x_n)/?x_1…?x_n

Keyword:

概率密度函数 分布函数 混合偏导数

Author Community:

  • [ 1 ] 北京工业大学
  • [ 2 ] 安徽建筑工业学院

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Source :

工科数学

Year: 1992

Issue: 04

Page: 56-57

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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