简单线性代数
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简单线性代数
![](http://img.wesiedu.com/upload/9/a5/9a56351b50c1f928b16705e6fecd37b7.jpg)
![](http://img.wesiedu.com/upload/e/35/e35254252991aa24aef1ad370992bcc0.jpg)
![](http://img.wesiedu.com/upload/e/14/e14a2bede432769c6e0a265514b38960.jpg)
![](http://img.wesiedu.com/upload/8/c5/8c5f53412f6cba8675ddfe502fa20ba4.jpg)
![](http://img.wesiedu.com/upload/6/28/6284fe203d8a25523cb6be03fdd68ee0.jpg)
![](http://img.wesiedu.com/upload/9/a5/9a56351b50c1f928b16705e6fecd37b7.jpg)
![](http://img.wesiedu.com/upload/e/35/e35254252991aa24aef1ad370992bcc0.jpg)
![](http://img.wesiedu.com/upload/e/14/e14a2bede432769c6e0a265514b38960.jpg)
![](http://img.wesiedu.com/upload/8/c5/8c5f53412f6cba8675ddfe502fa20ba4.jpg)
![](http://img.wesiedu.com/upload/6/28/6284fe203d8a25523cb6be03fdd68ee0.jpg)
5.
增广矩阵=
1 1 1 1 -1
4 3 5 -1 -1
a 1 3 b 1
r2-3r1,r3-r1
1 1 1 1 -1
1 0 2 -4 2
a-1 0 2 b-1 2
r3-r2
1 1 1 1 -1
1 0 2 -4 2
a-2 0 0 b+3 0
由已知,a=2,b=-3
1 1 1 1 -1
1 0 2 -4 2
0 0 0 0 0
-->
0 1 -1 5 -3
1 0 2 -4 2
0 0 0 0 0
方程组的通解为 (2,-3,0,0)^T +c1(-2,1,1,0)^T+c2(4,-5,0,1)^T
这样提问很难得到解答,建议你分开提问...
增广矩阵=
1 1 1 1 -1
4 3 5 -1 -1
a 1 3 b 1
r2-3r1,r3-r1
1 1 1 1 -1
1 0 2 -4 2
a-1 0 2 b-1 2
r3-r2
1 1 1 1 -1
1 0 2 -4 2
a-2 0 0 b+3 0
由已知,a=2,b=-3
1 1 1 1 -1
1 0 2 -4 2
0 0 0 0 0
-->
0 1 -1 5 -3
1 0 2 -4 2
0 0 0 0 0
方程组的通解为 (2,-3,0,0)^T +c1(-2,1,1,0)^T+c2(4,-5,0,1)^T
这样提问很难得到解答,建议你分开提问...