<div dir="ltr"><div style="font-family:arial,sans-serif;font-size:12.571428298950195px">Hello,</div><div style="font-family:arial,sans-serif;font-size:12.571428298950195px"><br></div><div style="font-family:arial,sans-serif;font-size:12.571428298950195px">
I implemented your beamforming routine using the code that appears online (<a href="http://fieldtrip.fcdonders.nl/tutorial/beamformer#preprocessing" target="_blank">http://fieldtrip.fcdonders.nl/tutorial/beamformer#preprocessing</a>) and received this error, below. Can you advise? I appreciate your help.</div>
<div style="font-family:arial,sans-serif;font-size:12.571428298950195px"><br></div><div style="font-family:arial,sans-serif;font-size:12.571428298950195px">Best regards,</div><div style="font-family:arial,sans-serif;font-size:12.571428298950195px">
<br></div><div style="font-family:arial,sans-serif;font-size:12.571428298950195px">Rob Reinhart</div><div style="font-family:arial,sans-serif;font-size:12.571428298950195px"><br></div><div style="font-family:arial,sans-serif;font-size:12.571428298950195px">
<br></div><div style="font-family:arial,sans-serif;font-size:12.571428298950195px">??? Error using ==> ft_read_headshape at 888</div><div style="font-family:arial,sans-serif;font-size:12.571428298950195px">unknown fileformat "unknown" for head shape information</div>
<div style="font-family:arial,sans-serif;font-size:12.571428298950195px"><br></div><div style="font-family:arial,sans-serif;font-size:12.571428298950195px">Error in ==> ft_sourceplot at 890</div><div style="font-family:arial,sans-serif;font-size:12.571428298950195px">
    surf  = ft_read_headshape(cfg.surffile);</div><div style="font-family:arial,sans-serif;font-size:12.571428298950195px"><br></div><div style="font-family:arial,sans-serif;font-size:12.571428298950195px">Error in ==> FreqSourceAnalysis at 290</div>
<div style="font-family:arial,sans-serif;font-size:12.571428298950195px">ft_sourceplot(cfg, sourceDiffIntNorm);</div></div>