s of an SGMGA grid.
        </li>
        <li>
          <a href = "sgmga_vcn.m">sgmga_vcn.m</a>
          returns the "next" constrained vector.
        </li>
        <li>
          <a href = "sgmga_vcn_coef.m">sgmga_vcn_coef.m</a>
          returns the "next" constrained vector's coefficient.
        </li>
        <li>
          <a href = "sgmga_vcn_coef_naive.m">sgmga_vcn_coef_naive.m</a>
          returns the "next" constrained vector's coefficient,
          using a "naive" algorithm.
        </li>
   