<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><meta http-equiv=Content-Type content="text/html; charset=us-ascii"><meta name=Generator content="Microsoft Word 15 (filtered medium)"><style><!--
/* Font Definitions */
@font-face
{font-family:Calibri;
panose-1:2 15 5 2 2 2 4 3 2 4;}
@font-face
{font-family:Consolas;
panose-1:2 11 6 9 2 2 4 3 2 4;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0cm;
margin-bottom:.0001pt;
font-size:11.0pt;
font-family:"Calibri",sans-serif;
mso-fareast-language:EN-US;}
a:link, span.MsoHyperlink
{mso-style-priority:99;
color:blue;
text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
{mso-style-priority:99;
color:purple;
text-decoration:underline;}
span.EmailStyle17
{mso-style-type:personal-compose;
font-family:"Calibri",sans-serif;
color:windowtext;}
.MsoChpDefault
{mso-style-type:export-only;
mso-fareast-language:EN-US;}
@page WordSection1
{size:612.0pt 792.0pt;
margin:72.0pt 72.0pt 72.0pt 72.0pt;}
div.WordSection1
{page:WordSection1;}
--></style><!--[if gte mso 9]><xml>
<o:shapedefaults v:ext="edit" spidmax="1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext="edit">
<o:idmap v:ext="edit" data="1" />
</o:shapelayout></xml><![endif]--></head><body lang=EN-GB link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>Hi All<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>One more problem to report. <o:p></o:p></p><p class=MsoNormal style='text-autospace:none'>In time-resolved modality (file ‘<span style='font-size:13.0pt;font-family:"Courier New";color:black'>femdata_stnd_tr.m</span>’) the incomplete Cholesky factorisation is used to generate a preconditioner:<o:p></o:p></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:13.0pt;font-family:"Courier New";color:forestgreen'>% R = cholinc(MASS1,1e-3);</span><span style='font-size:12.0pt;font-family:"Courier New"'><o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'>However, Mathworks removed this function completely since it was not a true incomplete Cholesky (it utilized incomplete LU with pivoting).<o:p></o:p></p><p class=MsoNormal style='text-autospace:none'>I suggest to replace the missing function by:<o:p></o:p></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:13.0pt;font-family:"Courier New";color:black'>R = ichol(MASS1,struct(</span><span style='font-size:13.0pt;font-family:"Courier New";color:#A020F0'>'type'</span><span style='font-size:13.0pt;font-family:"Courier New";color:black'>,</span><span style='font-size:13.0pt;font-family:"Courier New";color:#A020F0'>'ict'</span><span style='font-size:13.0pt;font-family:"Courier New";color:black'>,</span><span style='font-size:13.0pt;font-family:"Courier New";color:#A020F0'>'droptol'</span><span style='font-size:13.0pt;font-family:"Courier New";color:black'>,1e-3,</span><span style='font-size:13.0pt;font-family:"Courier New";color:#A020F0'>'shape'</span><span style='font-size:13.0pt;font-family:"Courier New";color:black'>,</span><span style='font-size:13.0pt;font-family:"Courier New";color:#A020F0'>'upper'</span><span style='font-size:13.0pt;font-family:"Courier New";color:black'>));</span><span style='font-size:12.0pt;font-family:"Courier New"'><o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'>Works in my case.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span lang=EN-US style='font-family:Consolas;mso-fareast-language:EN-GB'>Regards<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:Consolas;mso-fareast-language:EN-GB'>Stanislaw Wojtkiewicz, PhD<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:Consolas;mso-fareast-language:EN-GB'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:Consolas;mso-fareast-language:EN-GB'>---<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:Consolas;mso-fareast-language:EN-GB'>School of Computer Science<o:p></o:p></span></p><p class=MsoNormal><span lang=PL style='font-family:Consolas;mso-fareast-language:EN-GB'>University of Birmingham<o:p></o:p></span></p><p class=MsoNormal><span lang=PL style='font-family:Consolas;mso-fareast-language:EN-GB'>B15 2TT<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p></div><div id="DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2"><br />
<table style="border-top: 1px solid #D3D4DE;">
<tr>
<td style="width: 55px; padding-top: 13px;"><a href="https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=emailclient" target="_blank"><img src="https://ipmcdn.avast.com/images/icons/icon-envelope-tick-round-orange-animated-no-repeat-v1.gif" alt="" width="46" height="29" style="width: 46px; height: 29px;" /></a></td>
<td style="width: 470px; padding-top: 12px; color: #41424e; font-size: 13px; font-family: Arial, Helvetica, sans-serif; line-height: 18px;">Virus-free. <a href="https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=emailclient" target="_blank" style="color: #4453ea;">www.avast.com</a>
</td>
</tr>
</table><a href="#DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2" width="1" height="1"> </a></div></body></html>