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  • VecPointwiseMult

VecPointwiseMult#

Computes the component-wise multiplication w[i] = x[i] * y[i].

Synopsis#

#include "petscvec.h"   
PetscErrorCode VecPointwiseMult(Vec w, Vec x, Vec y)

Logically Collective

Input Parameters#

  • x - the first vector

  • y - the second vector

Output Parameter#

  • w - the result

Note#

Any subset of the x, y, and w may be the same vector.

See Also#

Vectors and Parallel Data, Vec, VecPointwiseDivide(), VecPointwiseMax(), VecPointwiseMin(), VecPointwiseMaxAbs(), VecMaxPointwiseDivide()

Level#

advanced

Location#

src/vec/vec/interface/vector.c

Examples#

src/snes/tutorials/ex11.c
src/tao/pde_constrained/tutorials/hyperbolic.c
src/tao/unconstrained/tutorials/spectraladjointassimilation.c
src/tao/unconstrained/tutorials/burgers_spectral.c
src/ts/tutorials/ex29.c
src/tao/pde_constrained/tutorials/parabolic.c
src/snes/tutorials/ex36.c
src/tao/pde_constrained/tutorials/elliptic.c
src/ksp/ksp/tutorials/ex15.c
src/ksp/ksp/tutorials/ex15f.F90

Implementations#

VecPointwiseMult_Nest() in src/vec/vec/impls/nest/vecnest.c
VecPointwiseMult_Seq() in src/vec/vec/impls/seq/bvec2.c
VecPointwiseMult_SeqKokkos() in src/vec/vec/impls/seq/kokkos/veckok.kokkos.cxx
VecPointwiseMult_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

On this page
  • Synopsis
  • Input Parameters
  • Output Parameter
  • Note
  • See Also
  • Level
  • Location
  • Examples
  • Implementations
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Last updated on 2025-04-30T13:10:40-0500 (v3.23.1).