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.

Level: advanced

See Also

MatSetFromOptions()

Location:matrix.c