$offlisting * * Equation counts * Total E G L N X C B * 3 2 0 1 0 0 0 0 * * Variable counts * x b i s1s s2s sc si * Total cont binary integer sos1 sos2 scont sint * 3 3 0 0 0 0 0 0 * FX 0 * * Nonzero counts * Total const NL DLL * 7 3 4 0 * * Solve m using NLP minimizing objvar; Variables x1,x2,objvar; Equations e1,e2,e3; e1.. -(10*sqr(sqr(x1) - x2) + sqr((-1) + x1)) + objvar =E= 0; e2.. x1 - x1*x2 =E= 0; e3.. 3*x1 + 4*x2 =L= 25; * set non-default bounds x1.lo = -10; x1.up = 20; x2.lo = -15; x2.up = 20; * set non-default levels x1.l = 8; x2.l = -14; 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;