function deltF=func_deltF(V1measurement,wV1r,wV1i,I1measurement,wI1r,wI1i,busNum,fsY11,Loadi,V1r,V1i,I1r,I1i)
%t1=PG(setdiff(PVi,Balance));
% t2=Volt'*Volt;
% t3=real(GB).*cos(AngleIJMat)+imag(GB).*sin(AngleIJMat);
% t4=t2.*t3;
% t5=sum(t4,2);
% PBal=t5(Balance);
% PPG=([PQ(1),PBal])';%暂时用土办法处理一下

% wV1r_=(1)^2.*ones(length(wV1r),1);
% wV1i_=(1)^2.*ones(length(wV1i),1);
% wI1r_=(1)^2.*ones(length(wI1r),1);
% wI1i_=(1)^2.*ones(length(wI1i),1);
% 
% infWV=find(wV1r==Inf);
% infWI=find(wI1r==Inf);
% wV1r=wV1r_;
% wV1i=wV1i_;
% wI1r=wI1r_;
% wI1i=wI1i_;
% wV1r(infWV)=Inf;
% wV1i(infWV)=Inf;
% wI1r(infWI)=Inf;
% wI1i(infWI)=Inf;

%% 
deltF=[
    %zeros(busNum*2,1);
    sparse(Loadi,1,2*( abs(V1measurement).^2- (V1r(Loadi).^2+ V1i(Loadi).^2) ).*(-2*V1r(Loadi))./wV1r./wV1r,busNum,1);
    sparse(Loadi,1,2*( abs(V1measurement).^2- (V1r(Loadi).^2+ V1i(Loadi).^2) ).*(-2*V1i(Loadi))./wV1i./wV1i,busNum,1);
    %-2*( [real(Imeasurement);imag(Imeasurement)]-[I1r;I1i]);
    sparse(1:length(Loadi),1,-2*(real(I1measurement)-I1r)./wI1r./wI1r,length(Loadi),1);
    sparse(1:length(Loadi),1,-2*(imag(I1measurement)-I1i)./wI1i./wI1i,length(Loadi),1);
];

end