exmpl_5_3-3_mincostflow.gms
* LP written by GAMS Convert at 06/27/07 15:16:36
*
* Equation counts
* Total E G L N X C
* 9 9 0 0 0 0 0
*
* Variable counts
* x b i s1s s2s sc si
* Total cont binary integer sos1 sos2 scont sint
* 12 12 0 0 0 0 0 0
* FX 0 0 0 0 0 0 0 0
*
* Nonzero counts
* Total const NL DLL
* 34 34 0 0
*
* Solve m using LP minimizing objvar;
Variables x1,x2,x3,x4,x5,x6,x7,x8,x9,x10,x11,objvar;
Positive Variables x1,x2,x3,x4,x5,x6,x7,x8,x9,x10,x11;
Equations e1,e2,e3,e4,e5,e6,e7,e8,e9;
e1.. - x1 =E= -10;
e2.. - x2 =E= -15;
e3.. x1 - x3 - x4 - x5 + x8 =E= 0;
e4.. x2 + x3 - x6 - x7 =E= 0;
e5.. x4 + x6 - x8 - x9 - x10 =E= 0;
e6.. x5 + x9 =E= 9;
e7.. x10 + x11 =E= 10;
e8.. x7 - x11 =E= 6;
e9.. - 5*x1 - 4*x2 - 2*x3 - 6*x4 - 5*x5 - x6 - 2*x7 - 4*x8 - 6*x9 - 3*x10
- 4*x11 + objvar =E= 0;
* set non default bounds
* set non default levels
* set non default marginals
Model m / all /;
m.limrow=0; m.limcol=0;
$if NOT '%gams.u1%' == '' $include %gams.u1%
Solve m using LP minimizing objvar;