*  NLP written by GAMS Convert at 06/27/07 15:16:32
*  
*  Equation counts
*      Total        E        G        L        N        X        C
*          4        1        0        3        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
*          7        5        2        0
*
*  Solve m using NLP maximizing objvar;


Variables  x1,x2,objvar;

Equations  e1,e2,e3,e4;


e1..    x1 =L= 4;

e2..    2*x2 =L= 12;

e3..    3*x1 + 2*x2 =L= 18;

e4..  - (54*x1 - 9*sqr(x1) - 13*sqr(x2) + 78*x2) + 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 maximizing objvar;