     <li>
          <a href = "sgmga_vcn_naive.m">sgmga_vcn_naive.m</a>
          returns the "next" constrained vector, using a "naive" algorithm.
        </li>
        <li>
          <a href = "sgmga_vcn_ordered.m">sgmga_vcn_ordered.m</a>
          returns the "next" constrained vector, imposing a weak ordering.
        </li>
        <li>
          <a href = "sgmga_vcn_ordered_naive.m">sgmga_vcn_ordered_naive.m</a>
          returns the "next" constrained vector, imposing a weak ordering.
        </li>
  