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ex7_3_1.gms:

References:

Point: p1 
Best known point: p1 with value 0.3417


* NLP written by GAMS Convert at 07/19/01 13:39:49 * * Equation counts * Total E G L N X * 8 1 0 7 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 * 17 14 3 0 * * Solve m using NLP minimizing objvar; Variables x1,x2,x3,x4,objvar; Positive Variables x1,x2,x3,x4; Equations e1,e2,e3,e4,e5,e6,e7,e8; e1.. - x4 + objvar =E= 0; e2.. 10*sqr(x2)*POWER(x3,3) + 10*POWER(x2,3)*sqr(x3) + 200*sqr(x2)*sqr(x3) + 100*POWER(x2,3)*x3 + 100*x2*POWER(x3,3) + x1*x2*sqr(x3) + x1*sqr(x2)*x3 + 1000*x2*sqr(x3) + 8*x1*sqr(x3) + 1000*sqr(x2)*x3 + 8*x1*sqr(x2) + 6*x1*x2* x3 - sqr(x1) + 60*x1*x3 + 60*x1*x2 - 200*x1 =L= 0; e3.. - x1 - 800*x4 =L= -800; e4.. x1 - 800*x4 =L= 800; e5.. - x2 - 2*x4 =L= -4; e6.. x2 - 2*x4 =L= 4; e7.. - x3 - 3*x4 =L= -6; e8.. x3 - 3*x4 =L= 6; * 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;