[petsc-users] I am wondering if there is a way to implement SPMM

Jed Brown jed at jedbrown.org
Tue Aug 4 12:26:39 CDT 2015

Matthew Knepley <knepley at gmail.com> writes:
> Totally true if you are doing this for solvers, particularly elliptic
> solvers. If you are planning to use it for something like Tall-Skinny
> QR, or maybe some graph problems it could make more sense.

Note that TSQR does not involve matrix powers.
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