petsc-3.5.2 2014-09-08
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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