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作者 microball 在 PTT [ Math ] 看板的留言(推文), 共126則
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1F推:http://en.wikipedia.org/wiki/Eigenvalue_algorithm01/23 06:25
3F推:就算是有degenerate,有定理保證可以找出正交基底01/17 05:26
4F→:"spectral theorem for normal matrix"01/17 05:27
5F→:簡單的說,只要滿足 MM* = M*M 的矩陣01/17 05:28
6F→:都是 unitarily diagonalizable 的01/17 05:29
1F推:看一下泰勒展開的部份01/12 06:18
13F推:你說的問題,其實就接近找 symmetric polynomial01/05 16:42
14F→:的 exact integral?01/05 16:43
6F推:Vandermonde's identity01/04 10:47
4F推:推!! 又學到一個東西12/13 04:27
5F推:推!!12/09 04:44
7F→:啊同意 第一點的可積指的是 Riemann 可積 沒寫清楚12/05 04:16
9F→:應該是說,如果是 bounded variation 的函數12/05 08:19
10F→:有定理說明是黎曼可積函數。這題之所以還值得討論12/05 08:20
11F→:是因為函數有無窮震蕩12/05 08:20
1F推:其實可以自己證明 順序大約是 1.證明各有n!項08/10 08:32
2F→:2. 每項裡面不會出現同行或同列的元素08/10 08:33
3F→:3. 每項的正負號 寫到這樣應該能看出等式了08/10 08:34
4F推:一點自己的心得:推導向量等式的時候,先考慮其中05/31 05:37
5F→:分量就好了。之後靠觀察就能得到全式05/31 05:37