PETSc version 3.17.4
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# VecReciprocal

Replaces each component of a vector by its reciprocal.

### Synopsis

    #include "petscvec.h"
    PetscErrorCode  VecReciprocal(Vec vec)

Logically Collective on Vec

### Input Parameter

| vec | - the vector

### Output Parameter

| vec | - the vector reciprocal

### See Also

VecLog(), VecExp(), VecSqrtAbs()

### Level

intermediate

### Location

src/vec/vec/interface/vector.c

### Examples

src/ksp/ksp/tutorials/ex15.c.html
src/ksp/ksp/tutorials/ex15f.F90.html
src/snes/tutorials/ex70.c.html
src/ts/tutorials/ex50.c.html
src/tao/unconstrained/tutorials/spectraladjointassimilation.c.html
src/tao/constrained/tutorials/tomographyADMM.c.html
src/tao/pde_constrained/tutorials/elliptic.c.html
src/tao/pde_constrained/tutorials/parabolic.c.html
src/tao/tutorials/ex4.c.html

### Implementations

VecReciprocal_Nest in src/vec/vec/impls/nest/vecnest.c
VecReciprocal_SeqKokkos in src/vec/vec/impls/seq/kokkos/veckok.kokkos.cxx
VecReciprocal_SeqCUDA in src/vec/vec/impls/seq/seqcuda/veccuda2.cu
Index of all Vec routines
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Index of all manual pages