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/vec/vec/tutorials/ex1.c
src/vec/vec/tutorials/ex1f90.F90
src/vec/vec/tutorials/ex20f90.F90
src/vec/is/sf/tests/ex11.c
src/vec/is/sf/tests/ex12.c
src/vec/is/sf/tests/ex13.c
src/vec/is/sf/tests/ex2.c
src/vec/is/sf/tests/ex3.c
src/vec/is/sf/tests/ex9.c
src/vec/vec/tests/ex16k.kokkos.cxx
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