# PetscViewerBinaryMatlabOpen

Open a binary viewer and write matlab info file initialization.

### Synopsis

    PetscErrorCode PetscViewerBinaryMatlabOpen(MPI_Comm comm, const char fname[], PetscViewer *viewer)

Collective on MPI_Comm

### Input Parameters

| comm | - The communicator
| fname | - The output filename

### Output Parameter

viewer -The viewer object

.seealso: PetscViewerBinaryMatlabDestroy()

Level:beginner
Location: src/dm/da/utils/binaryMatlab.c
Index of all DA routines
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Index of all manual pages