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作者 Vulpix 在 PTT [ Math ] 看板的留言(推文), 共7171則
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1F推: 那個數字是合成一次的話固定點。01/31 14:32
2F推: 13^10001/31 14:37
17F→: J喔,一定出錯啦。01/30 00:12
1F→: 調換積分順序的時候要記得重新描述積分區域。01/27 21:19
2F推: Sylvester's determinant identity01/27 19:51
4F→: 等量公理,放天平上?跟長條圖意思一樣。01/27 18:10
1F推: 除了z的微分應該都要是偏微分,沒有不對的。01/27 12:12
2F→: 還有,你的「感覺」也錯了。01/27 12:12
5F推: 不會啊,複變要狂砸大定理。調和函數必是全純函數的01/27 18:03
6F→: 實部。做出一個F(z)=f(x,y)+ig(x,y),然後是F(z^2)01/27 18:04
7F→: 顯然全純,實部=f(x^2-y^2,2xy)。01/27 18:05
8F→: 調和函數的很多基本練習題都可以從複變轉化過來。01/27 18:05
1F推: 不會有新資訊。01/26 17:09
5F推: 如果想看加入x=a的版本,通常會是這樣的敘述:01/26 21:52
6F→: g(x)≦f(x)≦h(x) on I, g(a)=h(a)=L, g,h在a連續01/26 21:54
7F→: 則 f 也在a連續,且 f(a)=L。01/26 21:54
8F→: 但這是夾擠定理的直接推論,也沒有比夾擠好用。01/26 21:55
4F→: 靠算高吧。01/26 20:21
1F→: 沒有問題,就是這樣。01/24 14:29
6F推: 一次三個,一行一個,可以的。01/25 12:21
1F推: 答案好像差不多是10,拿六個點算馬可夫鏈。01/25 03:22
3F推: 是那個"不包含起點"嗎?那真的是會比較煩沒錯。01/25 03:56