根據你寫出的模型,lingo程式是:
MODEL:
MIN=2800*(X11+X21+X31+X41)+4500*(X12+X22+X32)+6000*(X13+X23)+7300*X14;
X11+X12+X13+X14>15;
X12+X13+X14+X21+X22+X23>10;
X13+X14+X22+X23+X31+X32>20;
X14+X23+X32+X41>12;
END
執行後得到全域性最優解:
Global optimal solution found.
Objective value: 118400.0
Infeasibilities: 0.000000
Total solver iterations: 3
Model Class: LP
Total variables: 10
Nonlinear variables: 0
Integer variables: 0
Total constraints: 5
Nonlinear constraints: 0
Total nonzeros: 30
Nonlinear nonzeros: 0
Variable Value Reduced Cost
X11 3.000000 0.000000
X21 0.000000 2800.000
X31 8.000000 0.000000
X41 0.000000 1100.000
X12 0.000000 1700.000
X22 0.000000 1700.000
X32 0.000000 0.000000
X13 0.000000 400.0000
X23 0.000000 1500.000
X14 12.00000 0.000000
Row Slack or Surplus Dual Price
1 118400.0 -1.000000
2 0.000000 -2800.000
3 2.000000 0.000000
4 0.000000 -2800.000
5 0.000000 -1700.000
根據你寫出的模型,lingo程式是:
MODEL:
MIN=2800*(X11+X21+X31+X41)+4500*(X12+X22+X32)+6000*(X13+X23)+7300*X14;
X11+X12+X13+X14>15;
X12+X13+X14+X21+X22+X23>10;
X13+X14+X22+X23+X31+X32>20;
X14+X23+X32+X41>12;
END
執行後得到全域性最優解:
Global optimal solution found.
Objective value: 118400.0
Infeasibilities: 0.000000
Total solver iterations: 3
Model Class: LP
Total variables: 10
Nonlinear variables: 0
Integer variables: 0
Total constraints: 5
Nonlinear constraints: 0
Total nonzeros: 30
Nonlinear nonzeros: 0
Variable Value Reduced Cost
X11 3.000000 0.000000
X21 0.000000 2800.000
X31 8.000000 0.000000
X41 0.000000 1100.000
X12 0.000000 1700.000
X22 0.000000 1700.000
X32 0.000000 0.000000
X13 0.000000 400.0000
X23 0.000000 1500.000
X14 12.00000 0.000000
Row Slack or Surplus Dual Price
1 118400.0 -1.000000
2 0.000000 -2800.000
3 2.000000 0.000000
4 0.000000 -2800.000
5 0.000000 -1700.000