[petsc-dev] Questions about MatMatTransposeMult/MatMatMultTranspose

[Dmitry Karpeev]

On Mon, Nov 7, 2011 at 4:18 PM, Jed Brown <jedbrown at mcs.anl.gov> wrote:

> On Mon, Nov 7, 2011 at 15:15, Dmitry Karpeev <karpeev at mcs.anl.gov> wrote:
>
>> I would also argue that MatMultTransposeXXX should be MatTransposeMultXXX
>> (the matrix is first transposed,
>> and then MultXXX is done with the transposed matrix).  Likewise for
>> MatSolveTranspose.
>>
>
> Does that also imply KSPTransposeSolve and PCTransposeApply?
>
I don't think so, since here the order of operations (left to right) is
correct: first transpose the matrix, then solve.
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