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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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5F→:總之就是:彼此差一個常數的答案都是正確答案01/17 13:17
3F→:大振幅單擺頂多也只能有級數解... 何況有阻尼的...01/16 13:27
1F→:移位(這裡就是把index減一)01/13 21:59
1F→:分部積分啊01/11 00:51
4F→:不過我推薦 2x=sinhθ 這個代換,比較好積01/11 00:52
1F→:哪種都可以,只要老師沒有指定01/11 01:19
1F→:答案也不是你給的那個,看來應該是題目抄錯吧?01/08 22:46
3F→:因為答案不是初等函數能表達的 所以錯的應是題目01/09 01:00
1F→:感覺如果只看二維也要用Gauss-Bonnet跟Theo.Egregium01/07 23:31
2F→:如果想要直接算的話,嚴格一點要用均值定理慢慢估計01/07 23:52
1F→:因為正向力比較大?01/05 00:08
1F→:1想法正確 2用長除法把1/f真的寫出來01/04 07:40
5F→:3用(1+x)^pm≡(1+x^p)^m然後比較係數好像不錯01/04 22:57
6F→:原來有人發文了01/04 22:58