問題詳情
10. (5%) Please pick the statements below that are true.
(A) The rank of the coefficient mnatrix of a consistent system of linear equations is equal to theariables in the genera number of basic varia ral solution of the system.
(B) The matrix-vector product of an m X n matrix A and a' vector in Rn is a linear combinationof the columns of A.
(C) A subset of Rn containing fewer than n vectors must be linearly independent.
(D) If S1 and S2 are finite subsets of R" having equal spans, then S1and S2 contain the samenumber of vectors.
(E) If the columns of an n X n matrix A for a generating set of Rn, then the reduced rowechelon form of A is In.
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