function err = KB97Fs(x)
%

F(1) = -0.98132+(1-x(4))+(1-x(2))+x(1)-(1-x(4))*(1-x(2))-(1-x(4))*x(1)-(1-x(2))*x(1)+(1-x(4))*(1-x(2))*x(1);
F(2) = -0.74568+x(2)+x(5)-x(2)*x(5);
F(3) = -0.99839+x(1)+x(2)+x(3)+x(4)+x(5)-x(1)*x(2)-x(1)*x(3)-x(1)*x(4)-x(1)*x(5)-x(2)*x(3)-x(2)*x(4)-x(2)*x(5)-x(3)*x(4)-x(3)*x(5)-x(4)*x(5)+x(1)*x(2)*x(3)+x(1)*x(2)*x(4)+x(1)*x(2)*x(5)+x(1)*x(3)*x(4)+x(1)*x(3)*x(5)+x(1)*x(4)*x(5)+x(2)*x(3)*x(4)+x(2)*x(3)*x(5)+x(2)*x(4)*x(5)+x(3)*x(4)*x(5)-x(1)*x(2)*x(3)*x(4)-x(1)*x(2)*x(3)*x(5)-x(1)*x(2)*x(4)*x(5)-x(1)*x(3)*x(4)*x(5)-x(2)*x(3)*x(4)*x(5)+x(1)*x(2)*x(3)*x(4)*x(5);
F(4) = -0.91189+(1-x(5))+(1-x(2))-(1-x(5))*(1-x(2));
F(5) = -0.73765+(1-x(2))+x(3)-(1-x(2))*x(3);
err = norm(F);
