$offlisting * * Equation counts * Total E G L N X C B * 5 1 2 2 0 0 0 0 * * Variable counts * x b i s1s s2s sc si * Total cont binary integer sos1 sos2 scont sint * 7 7 0 0 0 0 0 0 * FX 0 * * Nonzero counts * Total const NL DLL * 23 17 6 0 * * Solve m using NLP minimizing objvar; Variables x1,x2,x3,x4,x5,x6,objvar; Positive Variables x1,x2,x3,x4,x5,x6; Equations e1,e2,e3,e4,e5; e1.. x1 + x2 + x3 + x4 + x5 + x6 =L= 500; e2.. x1 + 3*x2 + 6*x3 + 2*x4 =G= 50; e3.. 3*x5 + 4*x6 =G= 50; e4.. x3 + 2*x4 + 3*x5 + x6 =L= 350; e5.. -(10.5*x1 - 1.5*sqr(x1) - sqr(x2) - 3.95*x2 - sqr(x3) + 3*x3 - 2*sqr(x4) + 5*x4 - sqr(x5) + 1.5*x5 - 2.5*sqr(x6) - 1.5*x6) + objvar =E= 0; * set non-default bounds x1.up = 99; x2.up = 99; x3.up = 99; x4.up = 99; x5.up = 99; x6.up = 99; Model m / all /; m.limrow=0; m.limcol=0; m.tolproj=0.0; $if NOT '%gams.u1%' == '' $include '%gams.u1%' $if not set NLP $set NLP NLP Solve m using %NLP% minimizing objvar;