cutstock.gms
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* MIP written by GAMS Convert at 01/17/08 23:45:23
*
* Equation counts
* Total E G L N X C
* 16 1 15 0 0 0 0
*
* Variable counts
* x b i s1s s2s sc si
* Total cont binary integer sos1 sos2 scont sint
* 16 1 0 15 0 0 0 0
* FX 0 0 0 0 0 0 0 0
*
* Nonzero counts
* Total const NL DLL
* 31 31 0 0
*
* Solve m using MIP minimizing objvar;
*
Variables i1,i2,i3,i4,i5,i6,i7,i8,i9,i10,i11,i12,i13,i14,i15,objvar;
Integer Variables i1,i2,i3,i4,i5,i6,i7,i8,i9,i10,i11,i12,i13,i14,i15;
Equations e1,e2,e3,e4,e5,e6,e7,e8,e9,e10,e11,e12,e13,e14,e15,e16;
e1.. 16*i1 =G= 9;
e2.. 9*i2 =G= 6;
e3.. 5*i3 =G= 20;
e4.. 4*i4 =G= 30;
e5.. 4*i5 =G= 17;
e6.. 3*i6 =G= 19;
e7.. 3*i7 =G= 25;
e8.. 3*i8 =G= 12;
e9.. 2*i9 =G= 8;
e10.. 2*i10 =G= 20;
e11.. i11 =G= 5;
e12.. i12 =G= 14;
e13.. i13 =G= 15;
e14.. i14 =G= 18;
e15.. i15 =G= 10;
e16.. - i1 - i2 - i3 - i4 - i5 - i6 - i7 - i8 - i9 - i10 - i11 - i12 - i13
- i14 - i15 + objvar =E= 0;
* set non default bounds
i1.up = 100;
i2.up = 100;
i3.up = 100;
i4.up = 100;
i5.up = 100;
i6.up = 100;
i7.up = 100;
i8.up = 100;
i9.up = 100;
i10.up = 100;
i11.up = 100;
i12.up = 100;
i13.up = 100;
i14.up = 100;
i15.up = 100;
* 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 MIP minimizing objvar;
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