[Nirfast] Mathworks removed 'cholinc' function

Alexis Girault alexis.girault at kitware.com
Fri Jun 22 13:52:28 EDT 2018


Hamid, Scott,

Same as previously: looks like a NIRFAST-Matlab question. Would you like to
have this filed in our NIRFAST issue tracker?
https://github.com/nirfast-admin/NIRFAST/issues

Best,

Alexis Girault
R&D Engineer in Medical Computing
Kitware, Inc.

http://www.kitware.com
(919) 969-6990 x325 <javascript:void(0);>


On Tue, May 15, 2018 at 5:16 AM Stanislaw Wojtkiewicz <
s.wojtkiewicz at cs.bham.ac.uk> wrote:

> Hi All
>
>
>
> One more problem to report.
>
> In time-resolved modality (file ‘femdata_stnd_tr.m’) the incomplete
> Cholesky factorisation is used to generate a preconditioner:
>
> %         R = cholinc(MASS1,1e-3);
>
> However, Mathworks removed this function completely since it was not a
> true incomplete Cholesky (it utilized incomplete LU with pivoting).
>
> I suggest to replace the missing function by:
>
> R = ichol(MASS1,struct('type','ict','droptol',1e-3,'shape','upper'));
>
> Works in my case.
>
>
>
> Regards
>
> Stanislaw Wojtkiewicz, PhD
>
>
>
> ---
>
> School of Computer Science
>
> University of Birmingham
>
> B15 2TT
>
>
>
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