Re: [線代] 一個矩陣問題
※ 引述《gogovovo0000 (狂甯)》之銘言：
If A^T A=0 then A must be a zero matrix.
: TURE?? OR FLASE
: 答案應該是FALSE
: 可以幫忙舉例嗎??
1 i 1 0 = 0 0
0 0 .i 0 0 0
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※ 發信站: 批踢踢實業坊(ptt.cc)
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