求大神把下列矩阵化为阶梯型矩阵,-||-3 1 -3 0 54 3 2 3 06 -1 -5 0 -72 5 1 4 1
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求大神把下列矩阵化为阶梯型矩阵,-||-3 1 -3 0 54 3 2 3 06 -1 -5 0 -72 5 1 4 1
求大神把下列矩阵化为阶梯型矩阵,-||
-3 1 -3 0 5
4 3 2 3 0
6 -1 -5 0 -7
2 5 1 4 1
求大神把下列矩阵化为阶梯型矩阵,-||-3 1 -3 0 54 3 2 3 06 -1 -5 0 -72 5 1 4 1
r1+r2
1 4 -1 3 5
4 3 2 3 0
6 -1 -5 0 -7
2 5 1 4 1
r2-4r1,r3-6r1,r4-2r1
1 4 -1 3 5
0 -13 6 -9 -20
0 -25 1 -18 -37
0 -3 3 -2 -9
r3-2r2
1 4 -1 3 5
0 -13 6 -9 -20
0 1 -11 0 3
0 -3 3 -2 -9
r2+13r3,r4+3r3
1 4 -1 3 5
0 0 -137 -9 -20
0 1 -11 0 3
0 0 -30 -2 0
r4*(-1/2)
1 4 -1 3 5
0 1 -11 0 3
0 0 -137 -9 19
0 0 15 1 0
r3+9r4
1 4 -1 3 5
0 1 -11 0 3
0 0 -2 0 19
0 0 15 1 0
r4+7r3
1 4 -1 3 5
0 1 -11 0 3
0 0 -2 0 19
0 0 1 1 133
r3+2r4,r3r4
1 4 -1 3 5
0 1 -11 0 3
0 0 1 1 133
0 0 0 2 285
1.0000 0 0 0 -26.0000
0 1.0000 0 0 -101.5000
0 0 1.0000 0 -9.5000
0 0 0 1.0000 142.5000
矩阵的秩为4