purch1.gms
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* LP written by GAMS Convert at 02/22/08 02:22:04
*
* Equation counts
* Total E G L N X C
* 8 7 1 0 0 0 0
*
* Variable counts
* x b i s1s s2s sc si
* Total cont binary integer sos1 sos2 scont sint
* 22 22 0 0 0 0 0 0
* FX 0 0 0 0 0 0 0 0
*
* Nonzero counts
* Total const NL DLL
* 55 55 0 0
*
* Solve m using LP minimizing objvar;
*
Variables x1,x2,x3,x4,x5,x6,x7,x8,x9,x10,x11,x12,x13,x14,x15,x16,x17,x18,x19
,x20,x21,objvar;
Negative Variables x1,x2,x3;
Positive Variables x4,x5,x6,x7,x8,x9,x10,x11,x12,x13,x14,x15,x16,x17,x18,x19
,x20,x21;
Equations e1,e2,e3,e4,e5,e6,e7,e8;
e1.. - x1 + 99.9*x5 + 100.1*x6 + 199.9*x7 + 200.1*x8 + 999.9*x9 =E= 0;
e2.. - x2 + 49.9*x11 + 50.1*x12 + 249.9*x13 + 250.1*x14 + 1999.9*x15 =E= 0;
e3.. - x3 + 99.9*x17 + 100.1*x18 + 299.9*x19 + 300.1*x20 + 3999.9*x21 =E= 0;
e4.. x4 + x5 + x6 + x7 + x8 + x9 =E= 1;
e5.. x10 + x11 + x12 + x13 + x14 + x15 =E= 1;
e6.. x16 + x17 + x18 + x19 + x20 + x21 =E= 1;
e7.. x1 + x2 + x3 =G= 600;
e8.. - 920*x5 - 900*x6 - 1800*x7 - 1400*x8 - 7000*x9 - 450*x11 - 425*x12
- 2125*x13 - 2075*x14 - 16600*x15 - 1100*x17 - 850*x18 - 2550*x19
- 2250*x20 - 30000*x21 + objvar =E= 0;
* set non default bounds
x1.up = 240;
x2.up = 210;
x3.up = 240;
* 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;
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