[petsc-users] Parallel QR decomposition

[David Sommer]

Thanks a lot.

Am Do., 19. Juli 2018 um 14:07 Uhr schrieb Matthew Knepley <
knepley at gmail.com>:

> On Thu, Jul 19, 2018 at 7:51 AM David Sommer <david97sommer at gmail.com>
> wrote:
>
>>
>> Hi,
>>
>> i was wondering if there is an implementation of parallel qr
>> decomposition in PETSc. I was looking at
>>     http://www.mcs.anl.gov/petsc/documentation/linearsolvertable.html
>> but all i found was this non-parallel MATLAB-Solver. Am i searching in
>> the wrong place?
>>
>
> No. There is a TSQR in SLEPc which we will someday absorb, and you can use
> Elemental for
> general parallel QR.
>
>   Thanks,
>
>     Matt
>
>
>> Best regards,
>>
>> David Sommer
>> <david97sommer at gmail.com>
>>
>
>
> --
> What most experimenters take for granted before they begin their
> experiments is infinitely more interesting than any results to which their
> experiments lead.
> -- Norbert Wiener
>
> https://www.cse.buffalo.edu/~knepley/ <http://www.caam.rice.edu/~mk51/>
>
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