$offlisting * * Equation counts * Total E G L N X C B * 6 6 0 0 0 0 0 0 * * Variable counts * x b i s1s s2s sc si * Total cont binary integer sos1 sos2 scont sint * 6 6 0 0 0 0 0 0 * FX 0 * * Nonzero counts * Total const NL DLL * 11 6 5 0 * * Solve m using NLP minimizing objvar; Variables objvar,x2,x3,x4,x5,x6; Positive Variables x2,x3,x4,x5,x6; Equations e1,e2,e3,e4,e5,e6; e1.. -(2*x2*x4 + 4*x2*x5 + 3*x2*x6 + 6*x3*x4 + 2*x3*x5 + 3*x3*x6 + 5*x4*x5 + 3* x4*x6 + 3*x5*x6) + objvar =E= 0; e2.. x2 =E= 1; e3.. x3 =E= 1; e4.. x4 =E= 1; e5.. x5 =E= 1; e6.. x6 =E= 1; 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;