function F = KBg83F(x)
%

F(1) = -0.56651 + (1-x(5));
F(2) = -0.66174 + (1-x(2)) + (1-x(1)) - x(6)*(1-x(1));
F(3) = -0.87611 + (1-x(5)) + (1-x(3)) + x(4) - x(7)*x(4) - x(8)*(1-x(3)) - x(8)*x(4) + x(8)*x(7)*x(4);
F(4) = -0.61404 + (x(1));
F(5) = -0.67801 + (1-x(3)) + x(5) - x(9)*x(5);
F(6) = -0.85289 + x(3) + x(4) + x(5) - x(10)*x(5) - x(11)*x(4) - x(11)*x(5) + x(11)*x(10)*x(5);
F(7) = -0.77232 + x(3) + x(4) - x(11)*x(4);
