[petsc-dev] How To: petsc binary to matrix market format
Dave Nystrom
dnystrom1 at comcast.net
Sun Jul 1 00:32:58 CDT 2012
Jed Brown writes:
> On Sat, Jun 30, 2012 at 9:17 PM, Dave Nystrom <dnystrom1 at comcast.net> wrote:
>
> > From the FAQ, I see that src/mat/examples/tests/ex72.c provides an example
> > of
> > reading in a matrix system in matrix market format and then exporting it in
> > petsc sparse format for the serial case.
> >
> > Is there an example of how to read in a matrix system in kspviewbinary
> > format
> > and then write it out in matrix market format for the serial case?
> >
>
> I suggest doing it with Python or Matlab, either of which can read PETSc
> binary matrices.
Thanks. I don't have access or experience with Matlab so that seems not a
good option. I'm fairly new to Python and have never done anything with the
petsc python interface. But that could be an option. Once python reads in a
petsc binary matrix, does it then have a function to write out the matrix in
matrix market format? Or would I need to write the python code to do that?
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