function DFSA = set_ddelta(DFSA,qq,ss,rr)
% sets some the deterministic delta transitions

for j=1:length(qq)
  q = qq(j);
  %s = ss(j);
  s = find(DFSA.ALF==ss(j));
  if isempty(s)
    error(['letter ' ss(j) ' not in alphabet = ' DFSA.ALF ])
  end
  r = rr(j);
  %DFSA.delta(q,double(s)) = r;
  DFSA.delta(q,s) = r;
end
return