# DM Manual Pages Examples
DM objects are used to manage communication between the algebraic structures in PETSc (Vec and Mat) and mesh data structures in PDE-based (or other) simulations. See, for example, `DMDACreate()`.

ex1.c
ex10.c
ex11f90.F90
ex12.c
ex13f90.F90
ex13f90aux.F90
ex14.c
ex15.c
ex19.c
ex2.c
ex20.c
ex21.c
ex22.c
ex25.c
ex26.c
ex3.c
ex4.c
ex5.c
ex51.c
ex6.c
ex7.c
ex9.c
swarm_ex1.c
swarm_ex2.c
swarm_ex3.c
makefile