function err = KB39Fs(x)
%

F(1) = -0.84593+(1-x(3))+(1-x(2))+(1-x(1))+x(4)-(1-x(3))*(1-x(2))-(1-x(3))*(1-x(1))-(1-x(3))*x(4)-(1-x(2))*(1-x(1))-(1-x(2))*x(4)-(1-x(1))*x(4)+(1-x(3))*(1-x(2))*(1-x(1))+(1-x(3))*(1-x(2))*x(4)+(1-x(3))*(1-x(1))*x(4)+(1-x(2))*(1-x(1))*x(4)-(1-x(3))*(1-x(2))*(1-x(1))*x(4);
F(2) = -0.60545+(1-x(5))+x(3)+x(4)-(1-x(5))*x(3)-(1-x(5))*x(4)-x(3)*x(4)+(1-x(5))*x(3)*x(4);
F(3) = -0.67102+(1-x(5))+(1-x(1))+x(3)-(1-x(5))*(1-x(1))-(1-x(5))*x(3)-(1-x(1))*x(3)+(1-x(5))*(1-x(1))*x(3);
F(4) = -0.38924+x(2)+x(4)-x(2)*x(4);
F(5) = -0.6424+(1-x(2));
err = norm(F);
