# PFView

Prints information about a mathematical function

### Synopsis

    #include "petscpf.h"
    PetscErrorCode PETSCVEC_DLLEXPORT PFView(PF pf,PetscViewer viewer)

Collective on PF unless PetscViewer is PETSC_VIEWER_STDOUT_SELF

### Input Parameters

| PF | - the PF context
| viewer | - optional visualization context

### Note

The available visualization contexts include

| PETSC_VIEWER_STDOUT_SELF | - standard output (default)
| PETSC_VIEWER_STDOUT_WORLD | - synchronized standard output where only the first processor opens the file. All other processors send their data to the first processor to print.

The user can open an alternative visualization contexts with PetscViewerASCIIOpen() (output to a specified file).

### Keywords

PF, view

### See Also

PetscViewerCreate(), PetscViewerASCIIOpen()

Level:developer
Location:src/vec/pf/interface/pf.c
Index of all PF routines
Table of Contents for all manual pages
Index of all manual pages