max+z=3X,+2X2+X1≤6+2X2≤8+2x1+3x2≤18+X1
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x1+x'1=3,x'1≥0;
x3=x'3-x''3,x'3,x''3≥0;
x'2=x2+1,x'2+x''2=7,x'2,x''2≥0;
则
max z=-x'1+x''2+2x'3-2x''3+0*x4+0*x5-3
s.t -x'1+2x''2+3x'3-3x''3-x4=15,
2x'1+x''2+x'3-x''3-x5=9,
x'2+x''2=7,
x'1,x''2,x'3,x''3,x4,x5≥0
咨询记录 · 回答于2022-03-14
max+z=3X,+2X2+X1≤6+2X2≤8+2x1+3x2≤18+X1
你好!能拍一下图片吗?
x1+x'1=3,x'1≥0;x3=x'3-x''3,x'3,x''3≥0;x'2=x2+1,x'2+x''2=7,x'2,x''2≥0;则max z=-x'1+x''2+2x'3-2x''3+0*x4+0*x5-3s.t -x'1+2x''2+3x'3-3x''3-x4=15, 2x'1+x''2+x'3-x''3-x5=9, x'2+x''2=7, x'1,x''2,x'3,x''3,x4,x5≥0
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