function XX=SolveIt(deltF,deltG,Init_L,Init_Z,Init_U,Init_W,deltdeltF,ddh,ddg,deltH,Init_Y,Ly,Lz,ContrlCount,Lw,Lul,Luu,ConstraintCount,Lx,Balance,Busnum)
LxComa=FormLxComa(deltF,deltG,deltH,Init_L,Luu,Lul,Init_Z,Init_Y,Lz,Init_U,Init_W,Lw,Lx);
H=-deltdeltF+ddh+ddg;%+ddg*(Init_Z'+Init_W');
t1=diag(Init_L.\Init_Z-Init_U.\Init_W);
t2=-deltG*( t1 )*deltG';
aa=[
    (H+t2),deltH;
    deltH',sparse(length(Init_Y),length(Init_Y));
    ];
yy=[LxComa;-Ly];

% t=size(PVi,1)+size(PGi,1);%电压不变
% yy(t+Balance)=0;
aa(Balance,:)=0;
aa(:,Balance)=0;
aa=aa+sparse(Balance,Balance,ones(length(Balance),1),ContrlCount+2*Busnum,ContrlCount+2*Busnum);

%暂时改一下
t=Busnum;%相角不变
aa(t+Balance,:)=0;
aa(:,t+Balance)=0;
aa(t+Balance,t+Balance)=1;
dxdy=aa\yy;
dX=dxdy(1:ContrlCount);
dY=dxdy(ContrlCount+1:ContrlCount+2*Busnum);
dL=Lz+deltG'*dX;
dU=-Lw-deltG'*dX;
dZ=-diag(Init_L)\Lul-diag(Init_L)\diag(Init_Z)*dL;
dW=-diag(Init_U)\Luu-diag(Init_U)\diag(Init_W)*dU;
XX=[
    dX;
    dY;
    dZ;
    dW;
    dL;
    dU;
    
];
end