問題詳情

8. Let A be an m x n matrix. Which of the following statements are true?
(A) nullity( A ) + rank( A )=n.
(B) rank( A )=rank(AT).
(C) If m = 7 and n = 5, then rank( A ) is at most 5.
(D) Suppose that m = n. Then, "A is singular"

"A has rank n".
(E) None of the above.

參考答案

答案：[無官方正解]
難度：計算中-1
書單：沒有書單，新增