ex8_1_6.gms:
References:
- Floudas, C A, Pardalos, P M, Adjiman, C S, Esposito, W R, Gumus, Z H, Harding, S T, Klepeis, J L, Meyer, C A, and Schweiger, C A, Handbook of Test Problems in Local and Global Optimization. Kluwer Academic Publishers, 1999.
- Dixon, L, and Szegoe, G P, Towards Global Optimization. In University of Cagliari, Ed, Proceedings of a Workshop at the University of Cagliari, Italy. North Holland, 1975.
- Original source: Global Model of Chapter 8 ex8.1.6.gms from Floudas e.a. Test Problems
Point:
p1
Best known point: p1 with value -10.0860
<![CDATA[
* NLP written by GAMS Convert at 07/19/01 13:39:54
*
* Equation counts
* Total E G L N X
* 1 1 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/(0.1 + sqr(x1 - 4) + sqr(x2 - 4)) - 1/(0.2 + sqr(x1 - 1) + sqr(x2
- 1)) - 1/(0.2 + sqr(x1 - 8) + sqr(x2 - 8))) + objvar =E= 0;
* set non default bounds
* set non default levels
* 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;
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