function deltdeltF=func_deltdeltF(wVolt,wPD,wQD,ContrlCount,Loadi)

%ContrlCount=size(PVi,1)+size(PGi,1)+size(wD,1)+Busnum*2; %P,Q,Volt theta这些控制变量数
C=[wPD' wQD'];
CVolt=wVolt;
sizeC=length(C);
diagC=sparse(1:sizeC,1:sizeC,C,sizeC,sizeC);
deltdeltF=[
    diagC*2,sparse(sizeC,ContrlCount-sizeC);
    %sparse(ContrlCount-sizeC,ContrlCount);
    diag(CVolt)*2,sparse(length(CVolt),ContrlCount-length(CVolt));
    sparse(length(CVolt),ContrlCount);
    ];
end