<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">To all,<div><br></div><div>I encountered a problem with the 'sam' method for ft_sourceanalysis. It looks to me that when specifying the configuration option:</div><div><br></div><div>cfg.sam.lambda = '5%';</div><div><br></div><div>i.e., lambda is a percentage, not an actual number, the beamformer_sam routine does not have comparable code as the beamformer_lcmv routine to handle that type of input. I'm wondering if simply inserting the following bit of code between lines 97 and 99 of beamformer_sam, borrowed and edited from beamformer_lcmv, will work:</div><div><br></div><div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Courier; "><span style="color: #033efc">if</span> ~isempty(lambda) && ischar(lambda) && lambda(end)==<span style="color: #af4df0">'%'</span></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Courier; "> ratio = sscanf(lambda, <span style="color: #af4df0">'%f%%'</span>);</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Courier; "> ratio = ratio/100;</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Courier; "> lambda = ratio * trace(all_cov)/size(all_cov,1);</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Courier; color: rgb(3, 62, 252); ">end</div></div><div><br></div><div>This seems to work okay in limited tests, but maybe I'm making a mistake here. I'm using a recent svn code version, revision 5097.</div><div><br></div><div>Best,</div><div><br></div><div>Don</div><br><br><div>
<span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-size: medium; "><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-size: medium; "><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">-----------------------<br>Don Rojas, Ph.D.<br>Associate Professor of Psychiatry<br>U. of Colorado Denver Anschutz Medical Campus<br>Director, UCD Magnetoencephalography Lab<br>13001 E. 17th Pl F546<br>Aurora, CO 80045<br>303-724-4994</div></span></span>
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