process.gms:
Reference:
- Bracken, J, and McCormick, G P, Chapter 4. In Selected Applications of Nonlinear Programming. John Wiley and Sons, New York, 1968.
- Original source: GAMS Model of process.gms from GAMS Model Library
Point:
p1
Best known point: p1 with value -5.6733
<![CDATA[
* NLP written by GAMS Convert at 07/30/01 17:04:29
*
* Equation counts
* Total E G L N X
* 8 8 0 0 0 0
*
* Variable counts
* x b i s1s s2s sc si
* Total cont binary integer sos1 sos2 scont sint
* 11 11 0 0 0 0 0 0
* FX 0 0 0 0 0 0 0 0
*
* Nonzero counts
* Total const NL DLL
* 28 17 11 0
*
* Solve m using NLP minimizing objvar;
Variables x1,x2,x3,x4,x5,x6,x7,x8,x9,x10,objvar;
Positive Variables x2,x3,x4,x5;
Equations e1,e2,e3,e4,e5,e6,e7,e8;
e1.. - x1*(1.12 + 0.13167*x8 - 0.00667*sqr(x8)) + x4 =E= 0;
e2.. - x1 + 1.22*x4 - x5 =E= 0;
e3.. - 0.001*x4*x9*x6/(98 - x6) + x3 =E= 0;
e4.. - (1.098*x8 - 0.038*sqr(x8)) - 0.325*x6 + x7 =E= 57.425;
e5.. - (x2 + x5)/x1 + x8 =E= 0;
e6.. x9 + 0.222*x10 =E= 35.82;
e7.. - 3*x7 + x10 =E= -133;
e8.. - 0.063*x4*x7 + 5.04*x1 + 0.035*x2 + 10*x3 + 3.36*x5 - objvar =E= 0;
* set non default bounds
x1.lo = 10; x1.up = 2000;
x2.up = 16000;
x3.up = 120;
x4.up = 5000;
x5.up = 2000;
x6.lo = 85; x6.up = 93;
x7.lo = 90; x7.up = 95;
x8.lo = 3; x8.up = 12;
x9.lo = 1.2; x9.up = 4;
x10.lo = 145; x10.up = 162;
* set non default levels
x1.l = 1745;
x2.l = 12000;
x3.l = 110;
x4.l = 3048;
x5.l = 1974;
x6.l = 89.2;
x7.l = 92.8;
x8.l = 8;
x9.l = 3.6;
objvar.l = -872;
* set non default marginals
Model m / all /;
m.limrow=0; m.limcol=0;
$if NOT '%gams.u1%' == '' $include '%gams.u1%'
Solve m using NLP minimizing objvar;
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