作者查詢 / StrKO
作者 StrKO 在 PTT 全部看板的留言(推文), 共13785則
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33F推:簽名檔......01/29 13:10
3F噓:嗯嗯嗯01/22 16:09
4F推:這題除了累積還有其他方法嗎?01/20 00:17
5F推:豹哥的藥會流鼻血喔01/14 13:03
6F推:可能結合高斯不能由兩個獨立高斯相乘得到 我的想法是結合高01/14 11:17
7F→:斯的通式中含有相關係數P 題目沒說這兩個變數是結合高斯01/14 11:18
8F→:所以不能推得不相關→獨立01/14 11:19
9F推:等等...我自己又亂了 以上當作沒看到01/14 11:25
14F推:B的選項說E[XY]=E[X]E[Y] 就代表Cov(x,y)為0 所以相關係數就01/14 13:40
15F→:是0 代入二維高斯的通式確實可以拆成兩個獨立高斯相乘01/14 13:43
16F推:WIKI那一個段落沒提到兩個分佈是否不相關 所以不能說兩個高01/14 13:55
17F→:斯分佈有二維常態的關係...可是台大這題有耶...困惑01/14 13:56
7F推:同樣是全家 西安街烈美街那家跟這家就差別很大...01/10 10:48
4F推:今天有去外帶便當 菜蠻多樣化的...如果能別那麼鹹 我會常去01/06 23:00
18F推:12/31 01:22
11F推:被肛就被肛 跟餅有啥關係 來人 餵公子吃餅~12/30 16:04
34F推:健康操XDDDDDDDDDD12/30 17:51