petsc-3.9.4 2018-09-11
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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

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

Index of all Mat routines
Table of Contents for all manual pages
Index of all manual pages