   <li>
          <a href = "ch_cap.m">ch_cap.m</a> 
          capitalizes a single character.
        </li>
        <li>
          <a href = "cvt.m">cvt.m</a> 
          computes a Centroidal Voronoi Tessellation.
        </li>
        <li>
          <a href = "cvt_energy.m">cvt_energy.m</a> 
          computes the CVT "energy" of a given dataset.
        </li>
        <li>
          <a href = "cvt_iterate.m">cvt_iterate.m</a> 
          takes one step of the CVT iteration.
        </li>
        <li>
     