$offlisting * * Equation counts * Total E G L N X C B * 12 9 0 3 0 0 0 0 * * Variable counts * x b i s1s s2s sc si * Total cont binary integer sos1 sos2 scont sint * 11 11 0 0 0 0 0 0 * FX 0 * * Nonzero counts * Total const NL DLL * 27 17 10 0 * * Solve m using NLP minimizing objvar; Variables objvar,x2,x3,x4,x5,x6,x7,x8,x9,x10,x11; Positive Variables x2,x3,x4,x5,x6,x7,x8,x9,x10,x11; Equations e1,e2,e3,e4,e5,e6,e7,e8,e9,e10,e11,e12; e1.. x2*x2 + (-10 + x3)*(-10 + x3) - objvar =E= 0; e2.. x2 =L= 15; e3.. - x2 + x3 =L= 0; e4.. - x2 =L= 0; e5.. x2 + x3 + x4 =E= 20; e6.. - x3 + x5 =E= 0; e7.. x3 + x6 =E= 20; e8.. x4*x8 =E= 0; e9.. x5*x9 =E= 0; e10.. x6*x10 =E= 0; e11.. x7*x11 =E= 0; e12.. 2*x2 + 4*x3 + x8 - x9 + x10 =E= 60; * set non-default bounds x4.up = 20; x5.up = 20; x6.up = 20; x7.up = 20; x8.up = 20; x9.up = 20; x10.up = 20; x11.up = 20; 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;