function [ output_args ] = obj( this )
%OBJ Summary of this function goes here
%   Detailed explanation goes here
wPD=this.wPD;
wQD=this.wQD;
PD=this.PD;
QD=this.QD;
wVolt=t
t4=wPD.*(PD(PD0~=0)-PD0(PD0~=0)).^2;
t5=wQD.*(QD(QD0~=0)-QD0(QD0~=0)).^2;
t6=wVolt.*(Volt-Volt0').^2;
out_arg=sum(t4)+sum(t5)+sum(t6);

end