CONTENTS OF THIS DIRECTORY
   ------------------------------

   ./matlab/ima2.m        -- Displays an image vector 

   ./data/dzip.mat        -- dzip(i) is the (correct) digit in column
                              i of azip
   ./data/azip.mat        -- the matrix of training digits

   ./data/dtest.mat       -- the (correct) test digits

   ./data/testzip.mat     -- the test digits