{2X1 -X2 -X3 +X4 = 2{X1 +X2 -2X3 +X4 = 2{4X1 -6X2 +2X3 -2X4 = 4{X1 +4X2 -3X3 +2X4 = 1

来源:学生作业帮助网 编辑:六六作业网 时间:2024/12/23 10:10:15
{2X1-X2-X3+X4=2{X1+X2-2X3+X4=2{4X1-6X2+2X3-2X4=4{X1+4X2-3X3+2X4=1{2X1-X2-X3+X4=2{X1+X2-2X3+X4=2{4X1-

{2X1 -X2 -X3 +X4 = 2{X1 +X2 -2X3 +X4 = 2{4X1 -6X2 +2X3 -2X4 = 4{X1 +4X2 -3X3 +2X4 = 1
{2X1 -X2 -X3 +X4 = 2
{X1 +X2 -2X3 +X4 = 2
{4X1 -6X2 +2X3 -2X4 = 4
{X1 +4X2 -3X3 +2X4 = 1

{2X1 -X2 -X3 +X4 = 2{X1 +X2 -2X3 +X4 = 2{4X1 -6X2 +2X3 -2X4 = 4{X1 +4X2 -3X3 +2X4 = 1
2,-1,-1, 1,2
1, 1,-2, 1,2
4,-6, 2,-2,4
1, 4,-3, 2,1
1, 0, 0, 0,-13/6
0, 1, 0, 0,-11/6
0, 0, 1, 0,-3/2
0, 0, 0, 1, 3
最右列就是解