function deltdeltF=func_deltdeltF(PVi,wPG,wQG,wPD,wQD,ContrlCount)

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