MATELEMENTAL#
“elemental” - A matrix type for dense matrices using the Elemental package Use ./configure –download-elemental to install PETSc to use Elemental
Options Database Keys#
-mat_type elemental - sets the matrix type to “elemental” during a call to MatSetFromOptions()
-pc_factor_mat_solver_type elemental - to use this direct solver with the option -pc_type lu
-mat_elemental_grid_height - sets Grid Height for 2D cyclic ordering of internal matrix
Note#
Note unlike most matrix formats, this format does not store all the matrix entries for a contiguous
range of rows on an MPI rank. Use MatGetOwnershipIS() to determine what values are stored on
the given rank.
See Also#
Level#
beginner
Location#
src/mat/impls/elemental/matelem.cxx
Index of all Mat routines
Table of Contents for all manual pages
Index of all manual pages