# Vector Operations (Vec)
PETSc vectors (`Vec`) are used to store the field variables
in PDE-based (or other) simulations. Users guide chapter: [](ch_vectors)
Examples
allgatherv/
allgather/
gatherv/
gather/
alltoall/
neighbor/
cuda/
hip/
kokkos/
nvshmem/
sfbasic.c
sfbasic.h
sfmpi.c
sfpack.c
sfpack.h
makefile