[理工] 102中央線代
想請問一下這兩題,第一題是線代最後一題,b選項說任何矩陣都可以做QR我沒意見,但這跟A有線性獨立的eigenvector有什麼關係...,d同理,我當然知道所有矩陣都可做SVD,但這也跟他是方陣沒關係阿,這種情況到底是要怎麼選
http://i.imgur.com/zvrmMS9.jpg
第7題的b選項,矩陣對稱未必保證Hermitian,像是我旁邊找的矩陣就有一個eigenvalue是i,還是這題的解釋就當作資工只考實矩陣??
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