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作者 Vulpix 在 PTT 全部看板的留言(推文), 共57292則
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2F推:嗯,不影響「是對角矩陣」這件事。02/13 15:31
3F→:是的...如果你交換β1,β2,那你就會交換λ1,λ2。02/13 15:57
7F→:3.問的是p要多少,那坨東西才收斂02/13 00:37
3F→:這是要證明op.非負嗎?條件似乎還是不夠吧...02/12 21:46
5F推:應該需要一個適當的內積,還有一些好的邊界條件。02/16 14:55
1F→:如果你會(1+cosθ)^(1/2),那可寫sinθ成cos(直角-θ)02/11 17:48
1F推:1. The restriction of α on P is still02/09 12:26
2F→:a homomorphism. By Lagrange's thm., α(P) is of02/09 12:28
3F→:order some power of p. Then α(P) lies in some02/09 12:30
4F→:Sylow p-subgroup by Sylow 1st.02/09 12:30
10F→:最後幾行有點亂?好像應該是xPx^{-1} XD02/09 15:08
1F→:這個會收斂|||02/09 12:06
3F推:抱歉看錯了...02/09 12:11
1F→:1.直接動手做做看不是最快嗎?答案是正六邊形吧01/24 14:16
2F→:正因為國小學生就會動手做,所以是他們要寫的題目= =01/24 14:17
3F→:拿個紙和圓規,很簡單就能做出來的01/24 14:18
24F→:第一題沒必要硬是照著字面去解(因為出題者沒有找到01/24 16:28
25F→:比較好的陳述)硬是看字面意思就是解題者想玩文字01/24 16:29
26F→:遊戲,並且順便怪罪出題者了...|||01/24 16:30
27F→:反正這題的意思就是要大家拿著圓規去玩玩而已XD01/24 16:30
11F→:感覺直接寫矩陣比較快XD01/24 16:34
1F→:應該變成V1/2&V2/2,但這就是P1&P201/19 00:15