> On Nov 28, 2019, at 7:07 PM, baikadi pranay <[email protected]> wrote:
>
> Hello PETSc users,
>
> I have a sparse matrix built and I want to output the matrix for viewing in
> matlab. However i'm having difficulty outputting the matrix. I am writing my
> program in Fortran90 and I've included the following lines to output the
> matrix.
>
> call
> PetscViewerBinaryOpen(PETSC_COMM_SELF,'matrix',FILE_MODE_WRITE,view,ierr)
Normally on would use to save the matrix and then use the scripts Patrick
mentioned to read the matrix into Matlab or Python.
call MatView(matrix, view,ierr)
call PetscViewerDestroy(view,ierr)
> call PetscViewerBinaryGetDescriptor(view,fd,ierr)
> call PetscBinaryWrite(fd,ham,1,PETSC_SCALAR,PETSC_FALSE,ierr)
>
> These lines do create a matrix but matlab says its not a binary file. Could
> you please provide me some inputs on where I'm going wrong and how to proceed
> with this problem. I can provide any further information that you might need
> to help me solve this problem.
>
>
> Thank you.
>
> Sincerely,
> Pranay.
