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,RestraintCount,Lx,Balance,PVi,PGi,Busnum,Loadi)
LxComa=FormLxComa(deltF,deltG,deltH,Init_L,Luu,Lul,Init_Z,Init_Y,Lz,Init_U,Init_W,Lw,Lx);
H=-deltdeltF+ddh;
%t1=diag(Init_L.\Init_Z-Init_U.\Init_W);
t1=diag(Init_Z./Init_L-Init_W./Init_U);
t2=-deltG*( t1 )*deltG';
aa=[
    (H+t2),deltH;
    deltH',zeros(size(Init_Y,2));
    ];
yy=[LxComa;-Ly];
%% 平衡节点电压不变 
t=size(Loadi,1)*2;
aa(t+Balance,:)=0;
aa(:,t+Balance)=0;
%aa(t+Balance,t+Balance)=1;
aa=aa+sparse(t+Balance,t+Balance,ones(length(Balance),1),ContrlCount+2*Busnum,ContrlCount+2*Busnum);
deltG(t+Balance,:)=0;
%%
t=size(Loadi,1)*2+Busnum*1;
aa(t+Balance,:)=0;
aa(:,t+Balance)=0;
%aa(t+Balance,t+Balance)=1;
aa=aa+sparse(t+Balance,t+Balance,ones(length(Balance),1),ContrlCount+2*Busnum,ContrlCount+2*Busnum);
deltG(t+Balance,:)=0;
%%
dxdy=aa\yy;
%% KLU
%spy(aa)
%dxdy = klu(aa,'\',full(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