VecScale#
Scales a vector.
Synopsis#
#include "petscvec.h"
PetscErrorCode VecScale(Vec x, PetscScalar alpha)
Logically Collective
Input Parameters#
x - the vector
alpha - the scalar
Note#
For a vector with n components, VecScale() computes x[i] = alpha * x[i], for i=1,…,n.
See Also#
Level#
intermediate
Location#
Examples#
src/dm/tutorials/ex7.c
src/dm/impls/stag/tutorials/ex4.c
src/ts/tutorials/ex20opt_ic.c
src/ts/tutorials/ex45.c
src/dm/impls/stag/tutorials/ex3.c
src/ts/tutorials/ex50.c
src/dm/tutorials/ex9.c
src/vec/vec/tutorials/ex1f90.F90
src/dm/tutorials/ex1.c
src/dm/impls/stag/tutorials/ex2.c
Implementations#
VecScale_Nest() in src/vec/vec/impls/nest/vecnest.c
VecScale_Seq() in src/vec/vec/impls/seq/bvec1.c
VecScale_SeqKokkos() in src/vec/vec/impls/seq/kokkos/veckok.kokkos.cxx
VecScale_SeqViennaCL() in src/vec/vec/impls/seq/seqviennacl/vecviennacl.cxx
Index of all Vec routines
Table of Contents for all manual pages
Index of all manual pages