$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 8 6 0 * * Solve m using NLP minimizing objvar; Variables x1,x2,x3,objvar; Equations e1,e2,e3,e4,e5; e1.. 0.5*sin(x1*x2) - 0.5*x1 - 0.0795774703703634*x2 - x3 =L= 0; e2.. 0.920422529629637*exp(2*x1) - 5.4365636*x1 + 0.865255957591193*x2 - x3 =L= 2.5019678106022; e3.. 0.5*x1 - 0.5*sin(x1*x2) + 0.0795774703703634*x2 - x3 =L= 0; e4.. - x3 + objvar =E= 0; e5.. 5.4365636*x1 - 0.920422529629637*exp(2*x1) - 0.865255957591193*x2 - x3 =L= -2.5019678106022; * set non-default bounds x1.lo = 0.25; x1.up = 1; x2.lo = 1.5; x2.up = 6.28; 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;