function ex = get_ex_multi( paths, u)
%
% get_ex_multi( paths, u) - get estimated values of the symbols
% for one user in the multi-user case
%
% R. Perry, June 2001

global states;
global Nusers;
global Memory;

N = size(paths,1);
L = size(paths,2);

ui = (u-1)*Memory + 1;
t = states(ui,:);

ex = reshape( t(paths), N, L);
