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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→: 補上因為「相異三點」,所以 a != 2 就完美了^^10/03 01:58
3F推: 你只簡單估算了rank,更進一步計算kernal就會得到樓09/30 11:27
4F→: 上的結果。結論就是A只要full-rank就能保證B也是。09/30 11:28
33F推: π應該是加不出來的,想收斂到任意數必須要是條件09/26 23:37
34F→: 收斂。除非考慮更高階的Cesaro sum才比較有可能。09/26 23:40
35F→: (或其他較寬鬆的數列極限)09/26 23:41
1F→: 平均XX率 前面那個乘積應該要乘到1+a_count09/25 13:56
2F→: 這次是少了一個右括弧。改好就是了。感覺是code...09/25 14:21
1F推: 1.就是算幾不等式。09/25 00:05
3F推: 可能是解答寫錯:用x+k(y-z-1)=0去做只能算出k=1/409/25 16:23
6F→: 4x+y-15z=1不是另一解嗎?09/25 23:57
5F→: 查表就可以得到1.0414了(有些人會背)09/24 13:07
11F推: 覺得最有趣的是拿隸美弗定理對n微分XD09/24 12:50
12F→: (不過有一大堆branch cut的事情要先解決)09/24 12:51
13F→: 用泰勒的方法中,最重要的就是絕對收斂。所以還好,09/24 14:04
14F→: 是可以很快解決的問題。09/24 14:05
27F推: 複數也可以先定ln(z)沒問題,規定適當的路徑即可。09/24 14:46
6F推: 推~漂亮09/23 01:53
11F推: 應該不只是這樣啦^^ 因為把虛軸那邊的變量做Wick09/23 01:38
12F→: rotation以後,方程式會描述一個橢圓,這時「第二」09/23 01:39
13F→: 軸就現身了,趁現在計算他的一半長度即是虛半軸。09/23 01:40