function up = UP_objfun( x )
%Objetive-Function for nonlinear optimization problem
%   %Vektor x
    %x(1)=fl
    %x(2)=a
    %x(3)=p
    %x(4)=productivity
    %x(5)=para
    %x(6)=aara
    %x(7)=disa
    %x(8)=resutil
    %x(9)=eqeffort

    up= -  (( 1-exp(1)^ ( -x(5) * ( PROD(x(2),x(4),x(10)) - S(x(1),x(2),x(4),x(3),x(10)) )  ) ) /  x(5))  ;
 
end