slepc-3.17.0 2022-03-31
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# FNView

Prints the FN data structure.

### Synopsis

    #include "slepcfn.h"
    PetscErrorCode FNView(FN fn,PetscViewer viewer)

Collective on fn

### Input Parameters

| fn | - the math function 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 context with PetscViewerASCIIOpen() - output to a specified file.

### See Also

FNCreate()

Location: src/sys/classes/fn/interface/fnbasic.c
Index of all FN routines
Table of Contents for all manual pages
Index of all manual pages