petsc-3.4.5 2014-06-29
VecScale
Scales a vector.
Synopsis
#include "petscvec.h"
PetscErrorCode VecScale(Vec x, PetscScalar alpha)
Not collective on Vec
Input Parameters
| x | - the vector
|
| alpha | - the scalar
|
Output Parameter
x -the scaled vector
Note
For a vector with n components, VecScale() computes
x[i] = alpha * x[i], for i=1,...,n.
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/vec/vec/examples/tutorials/ex1f.F.html
src/vec/vec/examples/tutorials/ex1f90.F.html
src/vec/vec/examples/tutorials/ex20f90.F90.html
src/dm/examples/tutorials/ex1.c.html
src/dm/examples/tutorials/ex7.c.html
src/dm/examples/tutorials/ex9.c.html
src/ksp/ksp/examples/tutorials/ex28.c.html
src/ksp/ksp/examples/tutorials/ex31.c.html
src/ksp/ksp/examples/tutorials/ex49.c.html
src/snes/examples/tutorials/ex15.c.html