arguments required</span>
0007 <span class="comment">% Input:</span>
0008 <span class="comment">%       data   (in form samples x channels/trials or single vector)</span>
0009 <span class="comment">%       tapers (precalculated tapers from dpss)</span>
0010 <span class="comment">%       nfft   (length of padded data)</span>
0011 <span class="comment">% Output:</span>
0012 <span class="comment">%       J (fft in form frequency index x taper index x channels/trials)</span>
0013 <span class="comment">% 