tes a monomial.
        </li>
        <li>
          <a href = "subcomp_next.m">subcomp_next.m</a>, 
          computes the next subcomposition of N into K parts.
        </li>
        <li>
          <a href = "timestamp.m">timestamp.m</a>, 
          prints the YMDHMS date as a timestamp;
        </li>
        <li>
          <a href = "triangle_unit_monomial.m">triangle_unit_monomial.m</a>, 
          returns the exact integral of a monomial in a unit triangle;
        </li>
        <li>
          <a href 