$offlisting * * Equation counts * Total E G L N X C B * 5 1 0 4 0 0 0 0 * * Variable counts * x b i s1s s2s sc si * Total cont binary integer sos1 sos2 scont sint * 4 4 0 0 0 0 0 0 * FX 0 * * Nonzero counts * Total const NL DLL * 14 6 8 0 * * Solve m using NLP minimizing objvar; Variables x1,x2,x3,objvar; Equations e1,e2,e3,e4,e5; e1.. - x3 + objvar =E= 0; e2.. 2*sqr(x2) + 4*x1*x2 - 42*x1 + 4*POWER(x1,3) - x3 =L= 14; e3.. (-2*sqr(x2)) - 4*x1*x2 + 42*x1 - 4*POWER(x1,3) - x3 =L= -14; e4.. 2*sqr(x1) + 4*x1*x2 - 26*x2 + 4*POWER(x2,3) - x3 =L= 22; e5.. (-2*sqr(x1)) - 4*x1*x2 + 26*x2 - 4*POWER(x2,3) - x3 =L= -22; * set non-default bounds x1.lo = -5; x1.up = 5; x2.lo = -5; x2.up = 5; 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;