[petsc-users] Matrix dot product

[David Gross]

Hello,
I was wondering if there was a matrix equivalent to the vecDot function
(Frobenius inner product)? As far as I can tell the closest thing is
MatNorm with NORM_FROBENIUS, but obviously this is acting on only one
matrix.

If there is not a built in function, what is the best way to compute this?
I am working fortran90.

Regards,
Dave
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