Easom.gms
* NLP written by GAMS Convert at 11/11/08 09:34:44
*
* 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;
*
Scalar PI / 3.14159265359 / ;
Variables x1,x2,objvar;
Equations e1;
e1.. cos(x1)*cos(x2)*exp((-sqr((-3.14159265359) + x1)) - sqr((-3.14159265359)
+ x2)) + objvar =E= 0;
* set non default bounds
x1.lo = -10; x1.up = 10;
x2.lo = -10; x2.up = 10;
* set non default levels
* set non default marginals
$if not set startsol $goto cont
$goto %startsol%
* Only local minimum
$label sol1
x1.l = PI ;
x2.l = PI ;
objvar.l = -1;
$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;