cd
ps
ll
whoami
article
academic
G1T1
linear_algebra
3-linear_equation
3-row_rank_and_col_rank
0-def
def.md
def.md
矩阵$A$的行向量组的秩称为$A$的
行秩
,$A$的列向量组的秩称为$A$的
列秩