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</o:shapelayout></xml><![endif]--></head><body lang=EN-GB link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span lang=ES style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US'>Dear researchers,<o:p></o:p></span></p><p class=MsoNormal><span lang=ES style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US'>I am sorry to not formulate correctly the question. In the attached file I attempted to explain my doubt. Hope that you can understand my question this time and can help me to better understand sLortea. <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US'>What I can not understand is that sLoreta is standardized minimum norm solution, the source covariance matrix should be identity matrix. However, I could not check this. I think that there be something that I did not understand correctly.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US'>Thank you very much for your attention<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US'>Best regards<o:p></o:p></span></p><p class=MsoNormal><span lang=ES style='font-size:11.0pt;font-family:"Calibri",sans-serif'>*******************<o:p></o:p></span></p><p class=MsoNormal><span lang=ES style='font-size:11.0pt;font-family:"Calibri",sans-serif'>Yiyao Ye Lin</span><span lang=ES style='font-family:"Arial",sans-serif'><o:p></o:p></span></p><p class=MsoNormal><span lang=ES style='font-size:11.0pt;font-family:"Calibri",sans-serif'>C/Camino de Vera SN<o:p></o:p></span></p><p class=MsoNormal><span lang=ES style='font-size:11.0pt;font-family:"Calibri",sans-serif'>Universidad Politècnica de València<o:p></o:p></span></p><p class=MsoNormal><span lang=ES style='font-size:11.0pt;font-family:"Calibri",sans-serif'>Departamento de Ingeniería Electrónica, Ed. 7F<o:p></o:p></span></p><p class=MsoNormal><span lang=ES style='font-size:11.0pt;font-family:"Calibri",sans-serif'>46022, València<o:p></o:p></span></p><p class=MsoNormal><span lang=ES style='font-size:11.0pt;font-family:"Calibri",sans-serif'>València<o:p></o:p></span></p><p class=MsoNormal><span lang=ES style='font-size:11.0pt;font-family:"Calibri",sans-serif'>Ext. 76026 <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=ES style='font-size:11.0pt;font-family:"Calibri",sans-serif'>De:</span></b><span lang=ES style='font-size:11.0pt;font-family:"Calibri",sans-serif'> fieldtrip <fieldtrip-bounces@science.ru.nl> <b>En nombre de </b>Schoffelen, J.M. (Jan Mathijs) via fieldtrip<br><b>Enviado el:</b> jueves, 6 de octubre de 2022 8:09<br><b>Para:</b> FieldTrip discussion list <fieldtrip@science.ru.nl><br><b>CC:</b> Schoffelen, J.M. (Jan Mathijs) <janmathijs.schoffelen@donders.ru.nl><br><b>Asunto:</b> Re: [FieldTrip] sloreta doest not get unity source variance<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Hi Yiyao, <o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>To be honest, I don’t understand your question. And it is not clear what the problem is. <o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Can you please have a look at the documentation below and reformulate your question, so that the readership of the list can constructively think along?<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><a href="https://www.fieldtriptoolbox.org/faq/how_to_ask_good_questions_to_the_community/">https://www.fieldtriptoolbox.org/faq/how_to_ask_good_questions_to_the_community/</a><o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><a href="https://journals.plos.org/ploscompbiol/article?id=10.1371/journal.pcbi.1002202">https://journals.plos.org/ploscompbiol/article?id=10.1371/journal.pcbi.1002202</a><o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><a href="http://www.catb.org/esr/faqs/smart-questions.html">http://www.catb.org/esr/faqs/smart-questions.html</a><span class=apple-tab-span><o:p></o:p></span></p></div><p class=MsoNormal> <o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Best wishes,<o:p></o:p></p></div><div><p class=MsoNormal>Jan-Mathijs<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal><br><br><o:p></o:p></p><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><p class=MsoNormal>On 5 Oct 2022, at 18:49, Yiyao Ye Lin via fieldtrip <<a href="mailto:fieldtrip@science.ru.nl">fieldtrip@science.ru.nl</a>> wrote:<o:p></o:p></p></div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal><span lang=ES style='font-size:11.0pt;font-family:"Calibri",sans-serif'> </span><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>Dear researchers,<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'> <o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>After reading the sLoreta theory, I attempted to understand the sloreta implementation detail. I attempted to obtain the source covariance matrix, and I could not get the expected unit variance. To do this, I attempted to calculate by two ways:<o:p></o:p></span></p></div><div style='margin-left:36.0pt'><p class=MsoNormal style='text-indent:-18.0pt'><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>a)</span><span style='font-size:7.0pt'> <span class=apple-converted-space> </span></span><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>lf'*invG*lf after line 268 of ft_inverse_sloreta<o:p></o:p></span></p></div><div style='margin-left:36.0pt'><p class=MsoNormal style='text-indent:-18.0pt'><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>b)</span><span style='font-size:7.0pt'> <span class=apple-converted-space> </span></span><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>lf(:,ii)'*invG*lf(:,ii) at line 267 of ft_inverse_sloreta<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>For this, I used EEG signal with average reference.<span class=apple-converted-space> </span><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>What's wrong? How can the unity variance of source variance matrix?<span class=apple-converted-space> </span><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'> <o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>Best regards<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>*******************<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>Yiyao Ye Lin<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>C/Camino de Vera SN<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>Universidad Politècnica de Valèn</span><span lang=ES style='font-size:11.0pt;font-family:"Calibri",sans-serif'>cia</span><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'><o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=ES style='font-size:11.0pt;font-family:"Calibri",sans-serif'>Departamento de Ingeniería Electrónica, Ed. 7F</span><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'><o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=ES style='font-size:11.0pt;font-family:"Calibri",sans-serif'>46022, València</span><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'><o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=ES style='font-size:11.0pt;font-family:"Calibri",sans-serif'>València</span><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'><o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=ES style='font-size:11.0pt;font-family:"Calibri",sans-serif'>Ext. 76026<span class=apple-converted-space> </span></span><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'><o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=ES style='font-size:11.0pt;font-family:"Calibri",sans-serif'> </span><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'><o:p></o:p></span></p></div><p class=MsoNormal><span style='font-size:10.5pt;font-family:"Helvetica",sans-serif'>_______________________________________________<br>fieldtrip mailing list<br></span><a href="https://mailman.science.ru.nl/mailman/listinfo/fieldtrip"><span style='font-size:10.5pt;font-family:"Helvetica",sans-serif;color:#954F72'>https://mailman.science.ru.nl/mailman/listinfo/fieldtrip</span></a><span style='font-size:10.5pt;font-family:"Helvetica",sans-serif'><br></span><a href="https://doi.org/10.1371/journal.pcbi.1002202"><span style='font-size:10.5pt;font-family:"Helvetica",sans-serif;color:#954F72'>https://doi.org/10.1371/journal.pcbi.1002202</span></a><o:p></o:p></p></div></blockquote></div><p class=MsoNormal><o:p> </o:p></p></div></div></body></html>