slepc-3.18.2 2023-01-26
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# LMESetOptionsPrefix

Sets the prefix used for searching for all LME options in the database.

### Synopsis

    #include "slepclme.h"
    PetscErrorCode LMESetOptionsPrefix(LME lme,const char *prefix)

Logically Collective on lme

### Input Parameters

| lme | - the linear matrix equation solver context
| prefix | - the prefix string to prepend to all LME 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.

For example, to distinguish between the runtime options for two different LME contexts, one could call

          LMESetOptionsPrefix(lme1,"fun1_")
          LMESetOptionsPrefix(lme2,"fun2_")

### See Also

LMEAppendOptionsPrefix(), LMEGetOptionsPrefix()

### Level

advanced

### Location

src/lme/interface/lmeopts.c
Index of all LME routines
Table of Contents for all manual pages
Index of all manual pages