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, y - the vectors

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/vec/vec/tutorials/ex1.c.html
src/vec/vec/tutorials/ex1f90.F90.html
src/vec/vec/tutorials/ex1f.F90.html
src/vec/vec/tutorials/ex20f90.F90.html
src/ksp/ksp/tutorials/ex15.c.html
src/ksp/ksp/tutorials/ex15f.F90.html
src/snes/tutorials/ex36.c.html
src/ts/tutorials/ex29.c.html
src/ts/tutorials/ex50.c.html
src/tao/unconstrained/tutorials/burgers_spectral.c.html
src/tao/unconstrained/tutorials/spectraladjointassimilation.c.html

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_SeqCUDA in src/vec/vec/impls/seq/seqcuda/veccuda2.cu
VecPointwiseMult_SeqHIP in src/vec/vec/impls/seq/seqhip/vechip2.hip.c
VecPointwiseMult_SeqViennaCL in src/vec/vec/impls/seq/seqviennacl/vecviennacl.cxx


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Index of all Vec routines
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Index of all manual pages