erations.  If you have no preference,
          try 5, 10 or 20;
        </li>
        <li>
          How the sampling is done.  If you have no preference, use UNIFORM.
          <ul>
            <li>
              GRID, use a grid of points;
            </li>
            <li>
              HALTON, use Halton points;
            </li>
            <li>
              RANDOM, use RAND (MATLAB intrinsic);
            </li>
            <li>
              UNIFORM, use a simple uniform random number generator;
   