Re: [理工] [線代]-交大96-電控
※ 引述《uniqueco (寶)》之銘言:
: 1.
: nxn
: A matrix A 屬於 R is said be idempotent if A^2=A.
: If 0 is an eigenvalue of A with algebraic multiplicity k , k≦n, what is
: rank (A)?
: 這題特徵值我求出來是1,題目這樣問我該怎麼寫呀..
If 0 is an eigenvalue of A with algebraic multiplicity k
=> dim(Ker(A)) = k
然後就用無敵的維度第一定理
null(A) + rank(A) = n
接下來rank(A)等於多少 你已經算出來了......
: 2. 已解決
: 謝謝><
--
※ 發信站: 批踢踢實業坊(ptt.cc)
◆ From: 59.127.21.229
→
02/11 18:09, , 1F
02/11 18:09, 1F
→
02/11 18:11, , 2F
02/11 18:11, 2F
推
02/11 18:16, , 3F
02/11 18:16, 3F
→
02/11 18:16, , 4F
02/11 18:16, 4F
推
02/11 18:17, , 5F
02/11 18:17, 5F
→
02/11 18:23, , 6F
02/11 18:23, 6F
→
02/11 18:24, , 7F
02/11 18:24, 7F
推
02/11 18:40, , 8F
02/11 18:40, 8F
→
02/11 18:41, , 9F
02/11 18:41, 9F
→
02/11 19:18, , 10F
02/11 19:18, 10F
→
02/11 19:21, , 11F
02/11 19:21, 11F
推
02/11 19:23, , 12F
02/11 19:23, 12F
→
02/11 20:23, , 13F
02/11 20:23, 13F
推
02/11 21:08, , 14F
02/11 21:08, 14F
→
02/11 21:09, , 15F
02/11 21:09, 15F
→
02/11 21:17, , 16F
02/11 21:17, 16F
討論串 (同標題文章)
本文引述了以下文章的的內容:
完整討論串 (本文為第 3 之 3 篇):