function [Init_Z,Init_L,Init_W,Init_U,Init_Y,PG,QG,Volt,UAngel,PD]=Modification(Init_Z,Init_L,Init_W,Init_U,Init_Y,deltZ,deltL,deltW,deltU,deltX,deltY,PG,QG,Volt,UAngel,PVi,ContrlCount,Balance,Busnum,PGi,PD)
AlphaP=FormAlphaP(Init_L,deltL,Init_U,deltU);
fprintf('AlphaP %f\n',AlphaP);
AlphaD=FormAlphaD(Init_Z,deltZ,Init_W,deltW);
fprintf('AlphaD %f\n',AlphaD);

Init_Z=Init_Z+AlphaD*deltZ';
Init_L=Init_L+AlphaP*deltL';
Init_W=Init_W+AlphaD*deltW';
Init_U=Init_U+AlphaP*deltU';
Init_Y=Init_Y+AlphaD*deltY';
%PG(PGi)=PG(PGi)+deltX(1:size(PGi,1));
PG(PGi)=PG(PGi)+AlphaP*deltX(1:size(PGi,1));
%QG(PVi)=QG(PVi)+deltX(size(PGi,1)+1:size(PVi,1)+size(PGi,1) );
QG(PVi)=QG(PVi)+AlphaP*deltX(size(PGi,1)+1:size(PVi,1)+size(PGi,1) );
t=deltX(size(PVi,1)+size(PGi,1)+1:size(PVi,1)+size(PGi,1)+Busnum);
PD=PD+AlphaP*t;
t=deltX(size(PVi,1)+size(PGi,1)+Busnum+1:ContrlCount)';
t(Busnum+Balance)=0;
%Volt=Volt+AlphaP*t(2:2:2*Busnum);暂时改一下20111227
%UAngel=UAngel+AlphaP*t(1:2:2*Busnum);暂时改一下20111227
balVolt=Volt(Balance);
Volt=Volt+AlphaP*t(1:Busnum);
Volt(Balance)=balVolt;
UAngel=UAngel+AlphaP*t(Busnum+1:2*Busnum);
end