1 7 2 5 2 0 3 1 2 1 0 0 1 1 0 0 0 0 0 0 如何化成最简阶梯形矩阵

问题描述:

1 7 2 5 2 0 3 1 2 1 0 0 1 1 0 0 0 0 0 0 如何化成最简阶梯形矩阵
1 7 2 5 2
0 3 1 2 1
0 0 1 1 0
0 0 0 0 0

1 7 2 5 2 0 3 1 2 1 0 0 1 1 0 0 0 0 0 0→初等行变换→1 7 0 3 2 0 3 0 1 1 0 0 1 1 0 0 0 0 0 0→初等行变换→1 7 0 3 2 0 1 0 1/3 1/3 0 0 1 1 0 0 0 0 0 0→初等行变换→1 0 0 2/3 -1/3 0 1 0 1/3 1/3 0 0 1 1 ...