作者查詢 / Vulpix
作者 Vulpix 在 PTT 全部看板的留言(推文), 共57292則
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7F→:請自己去算「兩遍」三樓說的那個東西10/15 18:18
1F→:乘以x^a就很簡單了10/15 03:31
16F→:-π:removable sing.,(2n-1)π:double pole (n != 0)10/15 01:03
29F→:-π不是一階極點啦QQ,分子展開是三階零點……10/16 22:15
30F→:所以-π是可去奇點。去掉後變成一階零點。10/16 22:17
4F→:首先用反例說明內點都不是extreme point10/15 00:39
5F→:再過邊界上一點作直線與S交於一線段10/15 00:40
6F→:直接把線段寫出來!然後就可以說邊界點不可能是線段10/15 00:40
7F→:的內點。10/15 00:41
1F→:嗯,對啊。如果F是超距力還比較好想像,可是如果F是接觸力10/14 00:57
2F→:通常會覺得很奇怪... 不過,這個問題應該是有忽略碰觸時的10/14 00:58
3F→:各種效應(可能時間太短之類),所以本質跟超距力的情況10/14 00:59
4F→:是一樣的。10/14 00:59
5F→:另外,你兩個問號問的都是同一問吧……10/14 01:00
2F→:有名的內插法。這個誤差其實可接受,看看2.8跟2,3之10/13 16:57
3F→:間的距離……10/13 16:57
3F→:但是公式這樣寫會讓人對極限產生誤解...10/12 18:11
1F→:把除了V以外的東西都當成常數,解二次方程。10/11 23:48
4F→:像一樓這樣寫又有哪裡不嚴格了呢?10/11 23:50
8F→:arctanh(x)=0.5*ln[ (1+x)/(1-x) ], -1<x<110/11 02:25
9F→:話說那本來是個很簡單的積分:部份分式10/11 02:26