       <li>
              HALTON, use Halton points;
            </li>
            <li>
              RANDOM, use RAND (MATLAB intrinsic);
            </li>
            <li>
              UNIFORM, use a simple uniform random number generator;
            </li>
            <li>
              USER, call the "user" routine;
            </li>
            <li>
             (file_name), read the initial points from a file.
            </li>
          </ul>
        </li>
        <li>
          The number of CVT it