"comment">% 4096x400  (64x64=4096)</span>
  <span class="comment">% 10 images per person, 40 images</span>
  y = repmat((1:40),10,1); y = y(:);
  [n d] = size(X);
  <span class="comment">%X = rescaleData(X, 0, 1); % introduces many artefacts!</span>
  h = 64; w = 64;
  name = <span class="string">'faces'</span>
<span class="keyword">end</span>

<span class="comment">%%%%%%%</span>

<span class="keyword">if</span> 0
  X = loadData(<span class="string">'digits3Htf'</span>); <span class="comment">% 658 x 256 -