[petsc-users] Output matrix in CSR format

[Jed Brown]

Chung-Kan Huang <ckhuangf at gmail.com> writes:

> Hi,
>
> I am trying to output the matrix but when I looked at
> PetscViewerSetFormat It doesn't seem to provide ways to output matrix in
> CSR format.
>
> Am I looking at the right place?

It is a (binary) CSR format.  There is no standard "CSR file format".
The closest might be MatrixMarket, which is a profoundly terrible
format.  You can read the PETSc binary format using the Python or
MATLAB/Octave scripts distributed with PETSc.
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