# Matrix Operations (Mat) PETSc matrices (`Mat` objects) are used to store Jacobians and other sparse matrices in PDE-based (or other) simulations. Users guide chapter: [](ch_matrices). See also [](../MatGraphOperations/index). Examples

Source files

aijsbaij.c
relax.h
sbaij.h
sbaij2.c
sbaijfact.c
sbaijfact10.c
sbaijfact11.c
sbaijfact12.c
sbaijfact2.c
sbaijfact3.c
sbaijfact4.c
sbaijfact5.c
sbaijfact6.c
sbaijfact7.c
sbaijfact8.c
sbaijfact9.c
sro.c
sbaij.c

Directories

cholmod