For me it doesn't. It works just fine:
A = [1;2;3]
B = [4;5;6]
fid = fopen('Myfiles.txt', 'w');
fprintf(fid, '%u %u \n', [A B]');
% sprintf('%u %u \n', [A B]')
fclose(fid);
type 'Myfiles.txt'
%delete('Myfiles.txt');
The type statement writes it out the command window and it looks just fine. If it doesn't for you, then, in fopen(), try using 'wt' instead of 'w' and see if that makes it look better.
