\ Equation counts \ Total E G L N X C B \ 2 0 2 0 0 0 0 0 \ \ Variable counts \ x b i s1s s2s sc si \ Total cont binary integer sos1 sos2 scont sint \ 2 2 0 0 0 0 0 0 \ \ Nonzero counts \ Total const NL DLL \ 6 4 2 0 \ Minimize obj: 2 x1 + 4 x2 + [ - 2 x1^2 - 2 x2^2 ]/2 Subject To e1: x1 - 4 x2 >= -8 e2: - 3 x1 + x2 >= -9 End