steel4.gms
<![CDATA[
* LP written by GAMS Convert at 03/28/07 20:24:09
*
* Equation counts
* Total E G L N X C
* 3 1 0 2 0 0 0
*
* Variable counts
* x b i s1s s2s sc si
* Total cont binary integer sos1 sos2 scont sint
* 4 4 0 0 0 0 0 0
* FX 0 0 0 0 0 0 0 0
*
* Nonzero counts
* Total const NL DLL
* 10 10 0 0
*
* Solve m using LP maximizing objvar;
Variables x1,x2,x3,objvar;
Equations e1,e2,e3;
e1.. 0.005*x1 + 0.005*x2 + 0.005*x3 =L= 35;
e2.. 0.005*x1 + 0.00714285714285714*x2 + 0.00625*x3 =L= 40;
e3.. - 25*x1 - 30*x2 - 29*x3 + objvar =E= 0;
* set non default bounds
x1.lo = 1000; x1.up = 6000;
x2.lo = 500; x2.up = 4000;
x3.lo = 750; x3.up = 3500;
* set non default levels
x1.l = 1000;
x2.l = 500;
x3.l = 750;
* 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>