4 2 -1
3 -1 2
11 3 0
r3-3r1,r1-r2
1 3 -3
3 -1 2
-1 -3 3
r2-3r1,r3+r1
1 3 -3
0 -10 11
0 0 0
方程组有解,需化成行简化梯矩阵
r2*(-1/10),r1-3r2
1 0 3/10
0 1 -11/10
0 0 0
通解为:c(3,-11,-10),c为任意常数
4 2 -1
3 -1 2
11 3 0
r3-3r1,r1-r2
1 3 -3
3 -1 2
-1 -3 3
r2-3r1,r3+r1
1 3 -3
0 -10 11
0 0 0
方程组有解,需化成行简化梯矩阵
r2*(-1/10),r1-3r2
1 0 3/10
0 1 -11/10
0 0 0
通解为:c(3,-11,-10),c为任意常数