[petsc-users] Parallel QR decomposition

Matthew Knepley knepley at gmail.com
Thu Jul 19 07:07:40 CDT 2018

On Thu, Jul 19, 2018 at 7:51 AM David Sommer <david97sommer at gmail.com>

> 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.



> 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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