powell.gms
* NLP written by GAMS Convert at 06/26/06 16:29:37
*
* 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
* 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 + 10*x2) + 5*sqr(x3 - x4) + POWER(x2 - 2*x3,4) + 10*POWER(x1 -
x4,4)) + objvar =E= 0;
* set non default bounds
x1.lo = -4; x1.up = 5;
x2.lo = -4; x2.up = 5;
x3.lo = -4; x3.up = 5;
x4.lo = -4; x4.up = 5;
* set non default levels
x1.l = 3;
x2.l = -1;
x4.l = 1;
* 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;