[petsc-users] VecView and MatView Question

Peter Zhoujie Lyu lzj at umich.edu
Tue Oct 23 08:49:16 CDT 2012


Hi everyone,

My code dumps petsc vec and mat into an output file using VecView and
MatView. I was wondering if there is any way to set the format, such as
number of digits that was showing in the output file?

      call
PetscViewerASCIIOpen(PETSC_COMM_WORLD,"dJdWd.output",viewer,PETScIerr)
      call PetscViewerSetFormat(viewer,PETSC_VIEWER_ASCII_INDEX,PetscIerr)
      call VecView(dJdW,viewer,PETScIerr)

Thanks,

Peter
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