petsc-3.8.4 2018-03-24
MatSetOptionsPrefix
Sets the prefix used for searching for all Mat options in the database.
Synopsis
#include "petscmat.h"
PetscErrorCode MatSetOptionsPrefix(Mat A,const char prefix[])
Logically Collective on Mat
Input Parameter
| A | - the Mat context
|
| prefix | - the prefix to prepend to all option names
|
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.
Keywords
Mat, set, options, prefix, database
See Also
MatSetFromOptions()
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
Examples
src/mat/examples/tutorials/ex10.c.html
src/mat/examples/tutorials/ex16.c.html
src/snes/examples/tutorials/ex70.c.html
src/ts/examples/tutorials/ex14.c.html