$offlisting * * Equation counts * Total E G L N X C B * 9 3 0 6 0 0 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 * * Nonzero counts * Total const NL DLL * 21 19 2 0 * * Solve m using NLP minimizing objvar; Variables x1,x2,x3,x4,objvar; Equations e1,e2,e3,e4,e5,e6,e7,e8,e9; e1.. 2*x1 + x2 =L= 2; e2.. x1 + x2 =L= 2; e3.. - 4*x1 + x2 =L= 12; e4.. - 2*x1 - x2 =L= 6; e5.. - x1 - 2*x2 =L= 6; e6.. x1 - x2 =L= 3; e7.. -x3*x4 + objvar =E= 0; e8.. x1 + x2 - x3 =E= 0; e9.. x1 - x2 - x4 =E= 0; * set non-default bounds x1.lo = -10; x1.up = 1; x2.lo = -10; x2.up = 10; 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;