求阶梯矩阵与行简化阶梯型矩阵,这是两个问题,
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求阶梯矩阵与行简化阶梯型矩阵,这是两个问题,
![](http://img.wesiedu.com/upload/0/bb/0bbb0f25e9cf3576d64cc3e8d2aeb1e3.jpg)
![](http://img.wesiedu.com/upload/0/bb/0bbb0f25e9cf3576d64cc3e8d2aeb1e3.jpg)
![求阶梯矩阵与行简化阶梯型矩阵,这是两个问题,](/uploads/image/z/6518997-45-7.jpg?t=%E6%B1%82%E9%98%B6%E6%A2%AF%E7%9F%A9%E9%98%B5%E4%B8%8E%E8%A1%8C%E7%AE%80%E5%8C%96%E9%98%B6%E6%A2%AF%E5%9E%8B%E7%9F%A9%E9%98%B5%2C%E8%BF%99%E6%98%AF%E4%B8%A4%E4%B8%AA%E9%97%AE%E9%A2%98%2C)
2 -1 3 1
4 -2 5 4
-4 2 -6 -2
2 -1 4 0
r3+r2,r2-2r1,r4-r1
2 -1 3 1
0 0 -1 2
0 0 -1 2
0 0 1 -1
r3-r2,r4+r2
2 -1 3 1
0 0 -1 2
0 0 0 0
0 0 0 1
-->
2 -1 3 1
0 0 -1 2
0 0 0 1
0 0 0 0
(这是梯矩阵)
r1-r3,r2-2r3,r1+3r2,r1*(1/2),r2*(-1)
1 -1/2 0 0
0 0 1 0
0 0 0 1
0 0 0 0
4 -2 5 4
-4 2 -6 -2
2 -1 4 0
r3+r2,r2-2r1,r4-r1
2 -1 3 1
0 0 -1 2
0 0 -1 2
0 0 1 -1
r3-r2,r4+r2
2 -1 3 1
0 0 -1 2
0 0 0 0
0 0 0 1
-->
2 -1 3 1
0 0 -1 2
0 0 0 1
0 0 0 0
(这是梯矩阵)
r1-r3,r2-2r3,r1+3r2,r1*(1/2),r2*(-1)
1 -1/2 0 0
0 0 1 0
0 0 0 1
0 0 0 0