\ Equation counts \ Total E G L N X C B \ 4 0 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 \ \ Nonzero counts \ Total const NL DLL \ 20 16 4 0 \ Minimize obj: 16 x1 + x2 + 15 x3 + 8 x4 + [ - 8 x1^2 - x2^2 - 5 x3^2 - 2 x4^2 ]/2 Subject To e1: x1 - x2 + 3 x3 - 2 x4 <= 6 e2: - x1 + 4 x2 + x3 - 2 x4 <= 7 e3: 2 x1 + x2 + 2 x3 + x4 <= 29 e4: x1 - x2 + x3 + x4 <= 11 End