1*46696af2SBarry Smith# Vector Operations (Vec) 2*46696af2SBarry Smith 3*46696af2SBarry Smith PETSc vectors (`Vec`) are used to store the field variables 4*46696af2SBarry Smithin PDE-based (or other) simulations. Users guide chapter: [](ch_vectors) 5*46696af2SBarry Smith 6*46696af2SBarry Smith<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/vec/vec/tutorials/index.html">Examples</A> <BR> 7*46696af2SBarry Smith 8