% Save a set of images as a big matrix. Can be retrived with 'LoadPicset.m'
%
% Inputs:	filename- filename
%		width	- width of each image
%		height 	- height of each image
%		lbl	- image labels
%		picset	- matrix of images (one image per column) in
%			  8-bit format.

fid=fopen(filename,'w','b');
fwrite(fid,size(picset,2),'int32');
fwrite(fid,lbl,'int32');
fwrite(fid,width,'int32');
fwrite(fid,height,'int32');
fwrite(fid,picset,'int8');
fclose(fid);