function deltdeltF=func_deltdeltF(Busnum,GenC,PVi,PGi)
%t1=deltG*[L_1Z-U_1W]*deltG';
%TotalDim=2*Busnum+2*size(PVi,1);
% deltdeltF=[diag(GenC(:,2))*2,zeros(size(GenC,1),TotalDim-size(GenC,1));
%           zeros(TotalDim-size(GenC,1),TotalDim)
%     ];
% deltdeltF=[diag(GenC(:,2))*2,zeros(2,12);
%     zeros(12,14);
%     ];
ContrlCount=size(PVi,1)+size(PGi,1)+Busnum*2; %P,Q,Volt theta这些控制变量数
t=zeros(size(PGi,1));
t(PGi,PGi)=GenC(:,2);
deltdeltF=[t*2,zeros());
    zeros(ContrlCount-size(GenC,1),ContrlCount);
    ];
end