$offlisting * * Equation counts * Total E G L N X C B * 2 2 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 * 7 4 3 0 * * Solve m using NLP minimizing objvar; Variables objvar,x2,x3,x4; Equations e1,e2; e1.. -(log(3.9235*x2 + 6.0909*x3 + 0.92*x4)*(26.9071667605344*x2 + 41.7710875549227*x3 + 6.30931398488382*x4) + 0.668686155614739*x2 - 1.14374230885457*x3 + 2.8906196099828*x4 + 9.58716676053442*log(x2)*x2 + 16.9310875549227*log(x3)*x3 + 0.309313984883821*log(x4)*x4 - 9.58716676053442*log(3.9235*x2 + 6.0909*x3 + 0.92*x4)*x2 - 16.9310875549227*log(3.9235*x2 + 6.0909*x3 + 0.92*x4)*x3 - 0.309313984883821*log(3.9235*x2 + 6.0909*x3 + 0.92*x4)*x4 + 18.32*log(x2)* x2 + 25.84*log(x3)*x3 + 7*log(x4)*x4 - 18.32*log(3.664*x2 + 5.168*x3 + 1.4 *x4)*x2 - 25.84*log(3.664*x2 + 5.168*x3 + 1.4*x4)*x3 - 7*log(3.664*x2 + 5.168*x3 + 1.4*x4)*x4 + log(4.0643*x2 + 5.7409*x3 + 1.6741*x4)*(4.0643*x2 + 5.7409*x3 + 1.6741*x4) + 4.0643*log(x2)*x2 + 5.7409*log(x3)*x3 + 1.6741 *log(x4)*x4 - 4.0643*log(4.0643*x2 + 3.22644664511275*x3 + 1.44980651607875*x4)*x2 - 5.7409*log(5.31147575751424*x2 + 5.7409*x3 + 0.00729924451284409*x4)*x3 - 1.6741*log(2.25846661774355*x2 + 3.70876916588753*x3 + 1.6741*x4)*x4 - 30.9714667605344*log(x2)*x2 - 47.5119875549227*log(x3)*x3 - 7.98341398488382*log(x4)*x4) + objvar =E= 0; e2.. x2 + x3 + x4 =E= 1; * set non-default bounds x2.lo = 1E-6; x2.up = 1; x3.lo = 1E-6; x3.up = 1; x4.lo = 1E-6; x4.up = 1; * set non-default levels x2.l = 0.51802; x3.l = 0.0511; x4.l = 0.43088; 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;