1*8be712e4SBarry Smith# Matrix colorings (MatColoring), orderings (MatOrdering), partitionings (MatPartitioning), and coarsening (MatCoarsen) 2*8be712e4SBarry Smith 3*8be712e4SBarry SmithThese tools compute reorderings (`MatOrdering`) (for sparse matrix factorizations), colorings (`MatColoring`) 4*8be712e4SBarry Smith(for computing Jacobians via finite differences), partitionings (`MatPartitioning`) (for parallel 5*8be712e4SBarry Smithdecomposition of data), and coarsening (`MatCoarsen`) (for algebraic multigrid methods). 6