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作者 Vulpix 在 PTT [ Math ] 看板的留言(推文), 共7235則
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3F→:這個問題相當於問有沒有函數的Fourier transform06/13 13:01
4F→:是delta function與其微分們的線性組合。06/13 13:02
5F→:抱歉打錯,不見得要是"函數"。然後實際上去檢驗,06/13 13:03
6F→:除了delta function自己以外,沒有一個能夠當作06/13 13:03
7F→:probability density。06/13 13:05
8F→:也就是說如果希望m.g.f.是多項式,那除非是常數。06/13 13:05
1F→:不是convex嗎?只是沒有strictly convex而已XD06/12 16:58
5F→:這東西叫做inertia喔@@我以為會是indices什麼的06/12 17:30
1F→:柯西不等式06/12 01:12
3F→:Why not? d(L,O)=1 就是 1/a^2 + 1/b^2 = 106/12 14:51
4F→:最後只要確認柯西的"等號"可以成立就好了。06/12 14:52
6F→:XD06/12 15:04
1F→:這個perfect怎麼給我怪怪的感覺...照這個定義06/11 20:46
2F→:Cantor set就不unperfect了@@06/11 20:47
3F→:多打了"un"@@|||06/11 20:47
4F→:喔,沒事,當我沒說話...眼花了真是06/11 20:53
6F→:直接算第n次停下的機率也不是很難算呢^^06/11 20:32
7F→:只是計算沒有這麼簡潔...06/11 20:33
5F→:因為是先有P才有D,E。06/10 23:00
7F→:2.要把梯形連同C,F複製一個,把兩個梯形拼成平行06/10 23:01
8F→:四邊形。06/10 23:02
22F→:樓上解法極佳XD 第n組數據送到n06/10 21:14
23F→:補上最後用500多個變數做Lagrange插值06/10 21:15