exmpl1-4_transportation.gms
<![CDATA[
* LP written by GAMS Convert at 06/27/07 15:16:32
*
* Equation counts
* Total E G L N X C
* 7 7 0 0 0 0 0
*
* Variable counts
* x b i s1s s2s sc si
* Total cont binary integer sos1 sos2 scont sint
* 9 9 0 0 0 0 0 0
* FX 0 0 0 0 0 0 0 0
*
* Nonzero counts
* Total const NL DLL
* 25 25 0 0
*
* Solve m using LP maximizing objvar;
Variables x1,x2,x3,x4,x5,x6,x7,x8,objvar;
Positive Variables x3,x4,x5,x6,x7,x8;
Equations e1,e2,e3,e4,e5,e6,e7;
e1.. x1 + x2 =E= 50000;
e2.. x1 - x3 - x4 - x5 =E= 0;
e3.. x2 - x6 - x7 - x8 =E= 0;
e4.. x3 + x6 =E= 10000;
e5.. x4 + x7 =E= 15000;
e6.. x5 + x8 =E= 25000;
e7.. - 0.44*x1 - 0.49*x2 - 0.18*x3 - 0.22*x4 - 0.27*x5 - 0.25*x6 - 0.23*x7
- 0.19*x8 + 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 maximizing objvar;
]]></plaintext></body>