function NFSA = set_ndelta(NFSA,qq,ss,RR)
% sets the non-deterministic delta

for j=1:length(qq)
  q = qq(j);
  s = find(NFSA.ALF==ss(j));
  if isempty(s)
    error(['letter ' ss(j) ' not in alphabet = ' NFSA.ALF ])
  end
  R = RR{j};
  NFSA.delta{q,s} = R;
end
return