Camel6.gms
<![CDATA[
* NLP written by GAMS Convert at 11/11/08 09:34:37
*
* 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.. - ((4 + 0.333333333333333*POWER(x1,4) - 2.1*x1*x1)*x1*x1 + x1*x2 + (-4 +
4*x2*x2)*x2*x2) + objvar =E= 0;
* set non default bounds
x1.lo = -5; x1.up = 5;
x2.lo = -5; x2.up = 5;
* set non default levels
* set non default marginals
$if not set startsol $goto cont
$goto %startsol%
* Four global minima
$label sol1
x1.l = 0.089842 ;
x2.l = -0.712656 ;
objvar.l = -1.0316 ;
$goto cont
$label sol2
x1.l = -0.089842 ;
x2.l = 0.712656 ;
objvar.l = -1.0316 ;
$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;
]]></plaintext></body>