作者查詢 / ILzi
作者 ILzi 在 PTT [ Grad-ProbAsk ] 看板的留言(推文), 共310則
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3F→:就這一題來說當然可以,但是當指標不為3的時候就...08/25 00:08
4F→:既然都是算法,那我想盡量記同樣一種通用的比較好08/25 00:08
3F→:可以再詳細描述一下你看不懂的地方嗎08/24 17:44
4F→:就是 w1 w2 w3 彼此線性獨立就好了08/24 17:45
5F→:換句話說就是只要能夠湊成一個basis就行了08/24 17:45
6F→:然後再把他們orthonormal08/24 17:46
8F→:比較麻煩的是這題要剝洋蔥一樣一層一層的慢慢做08/24 17:52
9F→:所以3x3的部分搞定之後還要做2x2的部分08/24 17:52
10F→:這個在這題的後半段可以參考08/24 17:53
1F推:w1、w2、w3必須orthonormal08/24 16:56
8F推:原來這是小黃的書裡的題目啊08/24 17:23
9F推:順便回應一下5樓,這題不是轉成orthonormal矩陣08/24 17:37
10F→:而是存在一個unitary矩陣P使得PAP^(-1)是上三角矩陣08/24 17:37
18F推:如果積分範圍是-∞到∞的話就可以算02/15 13:53
1F推:因為cos是連續函數,所以我會把lim的m和n倒過來看看02/15 01:27
1F→:唔..沒給連結的話是要解題的人自己去找?07/28 23:20
3F推:沒那麼簡單07/20 21:20
4F→:因為是積分 根號cos07/20 21:20
9F推:好像是0喔.. 因為是奇函數07/20 21:29
1F推:可以推導 先去查sin^-1的微分公式吧07/11 18:47
2F→:這種題目可以說是萬變不離其宗07/11 18:48
10F→:原本想回答的說..12/26 23:52
11F→:不過這種題目是見仁見智 每個人的答案都不同12/26 23:53
1F→:dependent on yourself12/26 23:58