function p=eig(G)
% eig - finding all the pseudo poles of an FOSS object
%
%    p=eig(G)
%
%   G - the FOSS object
%   p - all the pseudo-poles of G

% Copyright (c) Dingyu Xue, Northeastern University, China
% Last modified 28 March, 2017 
% Last modified 18 May, 2022 
   p=eig(G.a)
end