opti.subject_to(U(3)*Su(3) .* U(4)*Su(4) .* (U(5).*Su(5)/V.EM(2).gearRatio - X(9).*Sx(9)) >= 0); opti.subject_to(U(3)*Su(3) .* (1-U(4)*Su(4)) .* (U(5).*Su(5)/V.EM(2).gearRatio - X(10).*Sx(10)) >= 0);
