function jbatch2()
numLabels = 10;

maxNumSamples = -1;
digits = []
for d=1:numLabels,
  Dall(d) = load(['digit' num2str(d-1)]);
  fprintf('%5d Digits of class %d\n',size(Dall(d).D,1),d-1);
  maxNumSamples = max(maxNumSamples, size(Dall(d).D,1));
  size(Dall(d).D)
  digits = [digits Dall(d).D'];
%  jconv(Dall(d).D/256, d-1);
%  jimage(Dall{d}/256, d-1, 28, 28);
end;
jconv(digits'/256, 99);