[petsc-dev] Petsc Parallel Matrix Vector Multiplication for Skew-Symmetric Matrix

[Matthew Knepley]

On Wed, Jun 2, 2021 at 3:23 PM Yağmur Aksan <yagmuraksan at gmail.com> wrote:

> Hello,
>
> I need a function that parallelly multiplies skew-symmetric matrix and
> vector. Is there any function that Petsc provides?
> To do so, I think of using matMult function in Petsc and changing it to
> work with skew-symmetric matrices. But, I haven't found the implementation
> of MatMult function. If there isn't any other better option that you can
> recommend me, could you please tell me the link for the implementation of
> MatMult function?
>

Do you want to save memory by using the special format? It will not save
computing, and the speed improvement can be very small.

  Thanks,

     Matt


> Thank you.
>
-- 
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.cse.buffalo.edu/~knepley/>
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