petsc-master 2019-11-13
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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.

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/ksp/ksp/examples/tutorials/ex59.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