CosMix4.gms
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* NLP written by GAMS Convert at 11/11/08 09:34:40
*
* 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
* 5 5 0 0 0 0 0 0
* FX 0 0 0 0 0 0 0 0
*
* Nonzero counts
* Total const NL DLL
* 5 1 4 0
*
* Solve m using NLP minimizing objvar;
*
Variables x1,x2,x3,x4,objvar;
Equations e1;
e1.. - (sqr(x1) + sqr(x2) + sqr(x3) + sqr(x4) - 0.1*(cos(15.70796326795*x1) +
cos(15.70796326795*x2) + cos(15.70796326795*x3) + cos(15.70796326795*x4)))
+ objvar =E= 0;
* set non default bounds
x1.lo = -1; x1.up = 1;
x2.lo = -1; x2.up = 1;
x3.lo = -1; x3.up = 1;
x4.lo = -1; x4.up = 1;
* 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 = 0;
x3.l = 0;
x4.l = 0;
objvar.l = -0.4;
$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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