% Generate random pictures
PicNum = 5;
PicSize = 100;
J = zeros(PicSize,PicSize,PicNum); % Always good to preallocate
for n = 1:PicNum
J(:,:,n) = rand(PicSize,PicSize)*255;
end
% Display those pictures
for m = 1:PicNum
figure;imshow(J(:,:,m))
end
