petsc-3.5.4 2015-05-23
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VecSum

 Computes the sum of all the components of a vector.

Synopsis

#include "petscvec.h" 
PetscErrorCode  VecSum(Vec v,PetscScalar *sum)
Collective on Vec

Input Parameter

v -the vector

Output Parameter

sum -the result

See Also

VecNorm()

Level:beginner
Location:src/vec/vec/utils/vinv.c
Index of all Vec routines
Table of Contents for all manual pages
Index of all manual pages

Examples

src/vec/vec/examples/tutorials/ex18.c.html
src/ts/examples/tutorials/ex9.c.html
src/tao/pde_constrained/examples/tutorials/elliptic.c.html
src/tao/pde_constrained/examples/tutorials/hyperbolic.c.html