VecScale#
Scales a vector.
Synopsis#
#include "petscvec.h"
PetscErrorCode VecScale(Vec x, PetscScalar alpha)
Not 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.html
src/vec/vec/tutorials/ex1f.F90.html
src/vec/vec/tutorials/ex1f90.F90.html
src/vec/vec/tutorials/ex20f90.F90.html
src/mat/tutorials/ex9.c.html
src/dm/impls/stag/tutorials/ex2.c.html
src/dm/impls/stag/tutorials/ex3.c.html
src/dm/impls/stag/tutorials/ex4.c.html
src/dm/tutorials/ex1.c.html
src/dm/tutorials/ex7.c.html
src/dm/tutorials/ex9.c.html
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_SeqCUDA in src/vec/vec/impls/seq/seqcuda/veccuda2.cu
VecScale_SeqHIP in src/vec/vec/impls/seq/seqhip/vechip2.hip.c
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