ian)
        </li>
      </ul>
      Each uses a 
      "scale factor" r0, whose value is recommended to be greater than
      the minimal distance between points, and rather less than the maximal distance.
      Changing the value of r0 changes the shape of the interpolant function.
    <p>

    <p>
      <b>RBF_INTERP_ND</b> needs access to the R8LIB library.
    </p>

    <h3 align = "center">
      Licensing:
    </h3>

    <p>
      The computer code and data files described and made available on this 