><a href="Contents.html">WFDB Contents</a></td>
         </tr>
      </table>
      <div class="title">tach</div>
      <div class="helptext"><pre><!--helptext -->


function varargout=tach(varargin)

 [hr]=tach(recordName,annotator,N,N0,ouputSize)

    Wrapper to WFDB TACH:
         http://www.physionet.org/physiotools/wag/tach-1.htm

    Reads a WFDB record and Annotation file to return:


 hr     
       Nx1 vector of doubles representing a uniformly sampled and
       smoothed instantaneous heart rate s