> <td>Only consider as peaks the largest value in the horizontal
range +/- S points.</td></tr>
  <tr><td style="white-space: nowrap;" class="col1">'interp', M</td> <td>Order of interpolation polynomial (default no interpolation)</td></tr>
  <tr><td style="white-space: nowrap;" class="col1"> 'plot'</td> <td>Display the interpolation polynomial overlaid on the point data</td></tr>
</table>
<h2>Notes</h2>
<ul>
  <li>A maxima is defined as an element that larger than its two neighbours.
The first and last eleme