$offlisting * * Equation counts * Total E G L N X C B * 4 4 0 0 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 * 9 6 3 0 * * Solve m using NLP minimizing objvar; Variables x1,x2,x3,objvar; Positive Variables x1,x2,x3; Equations e1,e2,e3,e4; e1.. x3*x3 - 0.000169*POWER(x2,3)*x1 =E= 0; e2.. x1 + x2 + x3 =E= 50; e3.. - 3*x1 + x2 =E= 0; e4.. objvar =E= 0; * set non-default bounds x1.up = 12.5; x2.up = 37.5; x3.up = 50; 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;