問題詳情
19. Consider the linear equation Ax = b with A ∈
. Which of the following statements are true?
(A) If rank
= m, then there exists at least one solution.
(B) Ifrank
= n, then there exists exactly one solution.
(C) Ifrank
= n, then the column vectors of A are linearly independent.
(D) Ifn ＞ m, then there exists at least one solution.
(E) Ifm ＞n, then there exists at most one solution.
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