slepc-3.17.2 2022-08-09
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# NEPAppendOptionsPrefix

Appends to the prefix used for searching for all NEP options in the database.

### Synopsis

    #include "slepcnep.h"
    PetscErrorCode NEPAppendOptionsPrefix(NEP nep,const char *prefix)

Logically Collective on nep

### Input Parameters

| nep | - the nonlinear eigensolver context
| prefix | - the prefix string to prepend to all NEP option requests

### Notes

A hyphen (-) must NOT be given at the beginning of the prefix name. The first character of all runtime options is AUTOMATICALLY the hyphen.

### See Also

NEPSetOptionsPrefix(), NEPGetOptionsPrefix()

Location: src/nep/interface/nepopts.c
Index of all NEP routines
Table of Contents for all manual pages
Index of all manual pages