[petsc-users] Does Petsc support matrix diagonalization

Hong hzhang at mcs.anl.gov
Mon Sep 19 09:52:14 CDT 2016


丁老师:

> Dear friends:
>     I want to diagonalize matrix D:
>                             D=PAP^(-1).
> where A is the diagonal matrix , P is the transformation matrix.
> Does Petsc has this routine to perform this task.
>

This is an eigenvalu/singular value decomposition of D. For dense D, you
can use Elemental, for sparse D, use Slepc.

Hong

>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20160919/e4e30aa0/attachment.html>


More information about the petsc-users mailing list