$offlisting * * Equation counts * Total E G L N X C B * 8 2 0 6 0 0 0 0 * * Variable counts * x b i s1s s2s sc si * Total cont binary integer sos1 sos2 scont sint * 6 6 0 0 0 0 0 0 * FX 0 * * Nonzero counts * Total const NL DLL * 35 11 24 0 * * Solve m using NLP minimizing objvar; Variables x1,x2,x3,x4,objvar,x6; Positive Variables x6; Equations e1,e2,e3,e4,e5,e6,e7,e8; e1.. objvar - x6 =E= 0; e2.. (0.549337520233386*x2 + 1.1263896788319*x3)/(x1 + 0.816722116903399*x2 + 0.538540530229217*x3) + 0.0910522583583458*x2/(0.972203312166101*x1 + x2 + 0.394821041898112*x3) - 0.273994101407968*x3/(1.07810138009609*x1 + 0.707289137797622*x2 + x3) - (x1*(0.549337520233386*x2 + 1.1263896788319* x3)/sqr(x1 + 0.816722116903399*x2 + 0.538540530229217*x3) + 0.972203312166101*x2*(0.0910522583583458*x1 + 1.03765878646318*x3)/sqr( 0.972203312166101*x1 + x2 + 0.394821041898112*x3) + 1.07810138009609*x3*( 0.692718766203089*x2 - 0.273994101407968*x1)/sqr(1.07810138009609*x1 + 0.707289137797622*x2 + x3)) - 3667.70490156687/(226.184 + x4) - x6 =L= -12.0457123581059; e3.. (0.0910522583583458*x1 + 1.03765878646318*x3)/(0.972203312166101*x1 + x2 + 0.394821041898112*x3) + 0.549337520233386*x1/(x1 + 0.816722116903399*x2 + 0.538540530229217*x3) + 0.692718766203089*x3/(1.07810138009609*x1 + 0.707289137797622*x2 + x3) - (0.816722116903399*x1*(0.549337520233386*x2 + 1.1263896788319*x3)/sqr(x1 + 0.816722116903399*x2 + 0.538540530229217* x3) + x2*(0.0910522583583458*x1 + 1.03765878646318*x3)/sqr( 0.972203312166101*x1 + x2 + 0.394821041898112*x3) + 0.707289137797622*x3*( 0.692718766203089*x2 - 0.273994101407968*x1)/sqr(1.07810138009609*x1 + 0.707289137797622*x2 + x3)) - 2904.34268119711/(221.969 + x4) - x6 =L= -9.63112952618865; e4.. (0.692718766203089*x2 - 0.273994101407968*x1)/(1.07810138009609*x1 + 0.707289137797622*x2 + x3) + 1.1263896788319*x1/(x1 + 0.816722116903399*x2 + 0.538540530229217*x3) + 1.03765878646318*x2/(0.972203312166101*x1 + x2 + 0.394821041898112*x3) - (0.538540530229217*x1*(0.549337520233386*x2 + 1.1263896788319*x3)/sqr(x1 + 0.816722116903399*x2 + 0.538540530229217*x3) + 0.394821041898112*x2*(0.0910522583583458*x1 + 1.03765878646318*x3)/sqr( 0.972203312166101*x1 + x2 + 0.394821041898112*x3) + x3*(0.692718766203089* x2 - 0.273994101407968*x1)/sqr(1.07810138009609*x1 + 0.707289137797622*x2 + x3)) - 3984.92283948829/(233.426 + x4) - x6 =L= -11.9515596536534; e5.. (-(0.549337520233386*x2 + 1.1263896788319*x3)/(x1 + 0.816722116903399*x2 + 0.538540530229217*x3)) - (0.0910522583583458*x2/(0.972203312166101*x1 + x2 + 0.394821041898112*x3) - 0.273994101407968*x3/(1.07810138009609*x1 + 0.707289137797622*x2 + x3)) + x1*(0.549337520233386*x2 + 1.1263896788319*x3)/sqr(x1 + 0.816722116903399*x2 + 0.538540530229217*x3) + 0.972203312166101*x2*(0.0910522583583458*x1 + 1.03765878646318*x3)/sqr( 0.972203312166101*x1 + x2 + 0.394821041898112*x3) + 1.07810138009609*x3*( 0.692718766203089*x2 - 0.273994101407968*x1)/sqr(1.07810138009609*x1 + 0.707289137797622*x2 + x3) + 3667.70490156687/(226.184 + x4) - x6 =L= 12.0457123581059; e6.. (-(0.0910522583583458*x1 + 1.03765878646318*x3)/(0.972203312166101*x1 + x2 + 0.394821041898112*x3)) - (0.549337520233386*x1/(x1 + 0.816722116903399* x2 + 0.538540530229217*x3) + 0.692718766203089*x3/(1.07810138009609*x1 + 0.707289137797622*x2 + x3)) + 0.816722116903399*x1*(0.549337520233386*x2 + 1.1263896788319*x3)/sqr(x1 + 0.816722116903399*x2 + 0.538540530229217* x3) + x2*(0.0910522583583458*x1 + 1.03765878646318*x3)/sqr( 0.972203312166101*x1 + x2 + 0.394821041898112*x3) + 0.707289137797622*x3*( 0.692718766203089*x2 - 0.273994101407968*x1)/sqr(1.07810138009609*x1 + 0.707289137797622*x2 + x3) + 2904.34268119711/(221.969 + x4) - x6 =L= 9.63112952618865; e7.. (-(0.692718766203089*x2 - 0.273994101407968*x1)/(1.07810138009609*x1 + 0.707289137797622*x2 + x3)) - (1.1263896788319*x1/(x1 + 0.816722116903399* x2 + 0.538540530229217*x3) + 1.03765878646318*x2/(0.972203312166101*x1 + x2 + 0.394821041898112*x3)) + 0.538540530229217*x1*(0.549337520233386*x2 + 1.1263896788319*x3)/sqr(x1 + 0.816722116903399*x2 + 0.538540530229217* x3) + 0.394821041898112*x2*(0.0910522583583458*x1 + 1.03765878646318*x3)/ sqr(0.972203312166101*x1 + x2 + 0.394821041898112*x3) + x3*( 0.692718766203089*x2 - 0.273994101407968*x1)/sqr(1.07810138009609*x1 + 0.707289137797622*x2 + x3) + 3984.92283948829/(233.426 + x4) - x6 =L= 11.9515596536534; e8.. x1 + x2 + x3 =E= 1; * set non-default bounds x1.lo = 1E-6; x1.up = 1; x2.lo = 1E-6; x2.up = 1; x3.lo = 1E-6; x3.up = 1; x4.lo = 40; x4.up = 90; * set non-default levels x1.l = 0.187; x2.l = 0.56; x3.l = 0.253; x4.l = 72.957; 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;