[線代] A^TA eigenvalue的證明

看板Math作者 (ntme)時間13年前 (2012/12/26 22:43), 編輯推噓1(106)
留言7則, 3人參與, 最新討論串1/1
A的eigenvalue 為入 A^TA的eigenvalue為入^2 突然想要來證證看卻不知道怎麼證XD -- melody -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 220.136.132.132

12/26 23:11, , 1F
wrong
12/26 23:11, 1F

12/27 10:54, , 2F
consider ㄨ^TAㄨ=入 as ||ㄨ||=1 and Aㄨ=入,then..
12/27 10:54, 2F

12/27 10:56, , 3F
[更正] Aㄨ=入ㄨ
12/27 10:56, 3F

12/27 11:00, , 4F
(need A^Tㄨ=入ㄨ)
12/27 11:00, 4F

12/27 11:54, , 5F
sorry, I am wrong. Don't kill me. Happy New Year!
12/27 11:54, 5F

12/27 13:39, , 6F
A和AT不是有相同eigenvalu??
12/27 13:39, 6F

12/27 13:42, , 7F
XD 我一直以為A^TA的eigenvalue是入^2,正確是什麼阿
12/27 13:42, 7F
文章代碼(AID): #1Gsmpy9S (Math)