%% 
% 1. use readMNIST function to read 60000 training images and class labels
% of MNIST digits (files train-images.idx3-ubyte and
% train-labels.idx1-ubyte), 

% 2. preview one image from each class

% 3. reshape the image data, such that each image forms a column vector

% 4. save the image matrix a the labels in a .mat file

% 5. do the same for 10000 test digits (files t10k-images.idx3-ubyte and
% t10k-labels.idx1-ubyte)

% we will use these .mat files during the semester

