[petsc-users] A^TA

[Kuhlemann, Verena]

Hi,

one quick question: I have a matrix P and need to compute P^t*P.
Is there a function available for this? I couldn't find anything.
Right now I am computing P^t*P by using MatPtAP with A=identity,
but I was hoping there is another way where I don't need to set up
the identity matrix.

Thanks,
Verena

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