English
全部
搜索
图片
视频
地图
资讯
Copilot
更多
购物
航班
旅游
笔记本
Top stories
Sports
U.S.
Local
World
Science
Technology
Entertainment
Business
More
Politics
时间不限
过去 1 小时
过去 24 小时
过去 7 天
过去 30 天
最佳匹配
最新
生物通
5 个月
多元t分布下非相关观测数据的协方差矩阵似然比检验研究及其应用
这篇研究聚焦于多元t分布(multivariate t distribution)框架下协方差矩阵的假设检验问题,创新性地提出基于两类矩阵变量t分布(type I/II)的似然比检验(LRT)方法,解决了非独立观测数据的协方差结构分析难题。作者系统推导了参数估计量(MLE)的统计性质(如 ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果
今日热点
Allows CA to use new map
Pulling MN immigration agents
Sentenced to life in prison
Hails ‘excellent’ call with Xi
Files $100 million lawsuit
Trilateral peace talks resume
Migrant boat collision
Wins Westminster dog show
Nazi-linked accounts found
Mickey Lolich dies at 85
Begins sweeping layoffs
Renee Good's brothers testify
Pleads not guilty
US proposes trade bloc
US-Iran talks set for Friday?
To close 250 locations
Rapper Lil Jon's son missing
Lee Hamilton dies at 94
Mexico, US reach deal
Cutting some snack prices
Israel strikes Gaza
To buy Silicon Laboratories?
Adds 450,000 subscribers
Makes 2nd bid for Congress
Snooker legend dies
Wins arbitration battle
Japan battles winter storms
HK firm begins arbitration
NY, NJ sue Trump admin
No suspect identified
反馈