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QR update

PostPosted: Wed Mar 14, 2018 6:11 am
by JazzKennyWowy
Hi there

Is the matlab qrupdate functionality implemented in LAPACK or anyone working on it?

Thanks.

Re: QR update

PostPosted: Thu Mar 15, 2018 12:19 am
by Julien Langou
The new LAPACK routines DTPQRF and such can be used to do some QR update.
Also you can look at the software from Daniel Kressner at:
https://anchp.epfl.ch/QRupdate