GoldPrice.gms
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* NLP written by GAMS Convert at 11/11/08 09:11:51
*
* Equation counts
* Total E G L N X C
* 1 1 0 0 0 0 0
*
* Variable counts
* x b i s1s s2s sc si
* Total cont binary integer sos1 sos2 scont sint
* 3 3 0 0 0 0 0 0
* FX 0 0 0 0 0 0 0 0
*
* Nonzero counts
* Total const NL DLL
* 3 1 2 0
*
* Solve m using NLP minimizing objvar;
*
Variables x1,x2,objvar;
Equations e1;
e1.. - (1 + (1 + x1 + x2)*(1 + x1 + x2)*(19 + 3*x1*x1 - 14*x1 + 6*x1*x2 - 14*
x2 + 3*x2*x2))*(30 + (2*x1 - 3*x2)*(2*x1 - 3*x2)*(18 + 12*x1*x1 - 32*x1 -
36*x1*x2 + 48*x2 + 27*x2*x2)) + objvar =E= 0;
* set non default bounds
x1.lo = -2; x1.up = 2;
x2.lo = -2; x2.up = 2;
* set non default levels
* set non default marginals
$if not set startsol $goto cont
$goto %startsol%
* Only local minimum
$label sol1
x1.l = 0 ;
x2.l = -1 ;
objvar.l = 3;
$goto cont
$label cont
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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