petsc-3.5.1 2014-08-01
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VecMin

Determines the minimum vector component and its location.

Synopsis

#include "petscvec.h"   
PetscErrorCode  VecMin(Vec x,PetscInt *p,PetscReal *val)
Collective on Vec

Input Parameters

x -the vector

Output Parameter

val - the minimum component
p - the location of val (pass NULL if you don't want this location)

Notes

Returns the value PETSC_MAX_REAL and p = -1 if the vector is of length 0.

This returns the smallest index with the minumum value

See Also

VecMax()

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/ksp/ksp/examples/tutorials/ex10.c.html
src/snes/examples/tutorials/ex61.c.html
src/snes/examples/tutorials/ex63.c.html
src/ts/examples/tutorials/ex9.c.html
src/ts/examples/tutorials/ex10.c.html
src/ts/examples/tutorials/ex17.c.html