$offlisting * * Equation counts * Total E G L N X C B * 1 1 0 0 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 * 3 1 2 0 * * Solve m using NLP minimizing objvar; Variables x1,x2,objvar; Equations e1; e1.. -(1 + sqr(1 + x1 + x2)*(19 + 3*sqr(x1) - 14*x1 + 6*x1*x2 - 14*x2 + 3*sqr( x2)))*(30 + sqr(2*x1 - 3*x2)*(18 + 12*sqr(x1) - 32*x1 - 36*x1*x2 + 48*x2 + 27*sqr(x2))) + objvar =E= 0; 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;