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作者 Vulpix 在 PTT [ Math ] 看板的留言(推文), 共7170則
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15F推: 不是只要知道x-sinx是奇函數就差不多了嗎?02/10 16:54
1F推: Question?當然是錯的。你可以在同一個B上面賦予02/10 16:41
2F→: 很隨便的probability measure。02/10 16:42
3F→: 至於定義成Q直觀不直觀。至少拿樣本點有限的機率空02/10 16:44
4F→: 間來看的時候,應該不算走太多彎路。02/10 16:45
5F→: 你的問題必須要多考慮B和Σ之間的相容性,或者說02/10 16:46
6F→: B上的機率要「繼承」Σ上的機率。02/10 16:47
7F→: 一般來說,我覺得Q(X)/Q(Y)=P(X)/P(Y)應該夠直觀。02/10 16:49
1F推: 化成連分數可以湊一些相近的二次無理數出來。02/07 13:27
1F推: 我覺得你符號用得有點亂,以致有些東西寫錯了。02/07 04:04
2F→: 但你要的東西,概念上應該就是 Fubini's Thm. 吧?02/07 04:04
17F推: 法向量要選朝外的。因為是「散」度,出去的算正,進02/03 21:50
18F→: 來的算負。02/03 21:50
1F推: 你這就是懂題目的意思了啊。01/30 16:13
1F→: 那不就不能確定嗎?01/30 12:02
2F→: (1,0,0),(0,1,0),不給第三個向量,根本不知道該當01/30 12:06
3F→: 成順時鐘還是逆時鐘吧。01/30 12:06
12F→: 可是這跟原不等式無矛盾吧?01/26 13:04
16F→: 嗯,我原文只寫了關鍵的不等式,沒去解釋。01/26 13:26
30F→: 可是 A_2+B_2≠a_2+b_2。01/28 16:56