Question

已知矩阵

已知矩阵A=【{1 1 0 1 2}{1 -1 2 0 -1}{3 1 2 2 3}】求R(A)和r(A^t) 需要有解题过程

Answer 1

A
=
{1 1 0 1 2}
{1 -1 2 0 -1}
{3 1 2 2 3}
{1 1 0 1 2}
{0 -2 2 -1 -3}
{0 -2 2 -1 -3}
{1 1 0 1 2}
{0 -2 2 -1 -3}
{0 0 0 0 0}
故R（A）=2
R(A^T)=R(A)=2