petsc-3.7.1 2016-05-15
VecMax
Determines the maximum vector component and its location.
Synopsis
#include "petscvec.h"
PetscErrorCode VecMax(Vec x,PetscInt *p,PetscReal *val)
Collective on Vec Many br
Input Parameter
x -the vector Many br
Output Parameters
| val | - the maximum component Many br |
| p | - the location of val (pass NULL if you don't want this) Many br |
Notes
Returns the value PETSC_MIN_REAL and p = -1 if the vector is of length 0. Many br
Returns the smallest index with the maximum value Many br Many br
See Also
VecNorm(), VecMin()
Level:intermediate
Location:src/vec/vec/interface/rvector.c
Index of all Vec routines
Table of Contents for all manual pages
Index of all manual pages
Examples
src/vec/vec/examples/tutorials/ex1.c.html
src/dm/examples/tutorials/ex15.c.html
src/ksp/ksp/examples/tutorials/ex10.c.html
src/ts/examples/tutorials/ex9.c.html
src/ts/examples/tutorials/ex17.c.html