petsc-3.11.4 2019-09-28
MatGetOptionsPrefix
Sets the prefix used for searching for all Mat options in the database.
Synopsis
#include "petscmat.h"
PetscErrorCode MatGetOptionsPrefix(Mat A,const char *prefix[])
Not Collective
Input Parameter
A -the Mat context
Output Parameter
prefix -pointer to the prefix string used
Notes
On the fortran side, the user should pass in a string 'prefix' of
sufficient length to hold the prefix.
Keywords
Mat, get, options, prefix, database
See Also
MatAppendOptionsPrefix()
Level
advanced
Location
src/mat/interface/matrix.c
Index of all Mat routines
Table of Contents for all manual pages
Index of all manual pages