function Lw=FormLw(Loadi,Mat_G,Init_U)
% VoltU=sparse(1.2*ones(Busnum,1));
% PDU=sparse(2*ones(length(Loadi),1));
% QDU=sparse(2*ones(length(Loadi),1));
% t1=[PDU;
%     QDU;
%     VoltU];
% t2=Mat_G+Init_U-t1;
% Lw=t2;
upper=0.20*sparse(ones(length(Loadi)*2,1));
Lw=Mat_G+Init_U-upper;
end