e spherical harmonics Y<sub>n</sub><sup>m</sup>(theta, phi) are the angular portion of the solution
        to Laplace's equation in spherical coordinates where azimuthal symmetry is
        not present.
      </p>
<div class="caution"><table border="0" summary="Caution">
<tr>
<td rowspan="2" align="center" valign="top" width="25"><img alt="[Caution]" src="../../../../../../doc/src/images/caution.png"></td>
<th align="left">Caution</th>
</tr>
<tr><td align="left" valign="top">
<p>
          Care must be tak