petsc-dev 2014-07-25
Report Typos and Errors

MATSOLVERKLU

"klu" - A matrix type providing direct solvers (LU) for sequential matrices via the external package KLU. ./configure --download-suitesparse to install PETSc to use KLU

Consult KLU documentation for more information on the options database keys below.

Options Database Keys

-mat_klu_pivot_tol <0.001> - Partial pivoting tolerance
-mat_klu_use_btf <1> - Use BTF preordering
-mat_klu_ordering <AMD> - KLU reordering scheme to reduce fill-in (choose one of) AMD COLAMD PETSC
-mat_klu_row_scale <NONE> - Matrix row scaling (choose one of) NONE SUM MAX

See Also

PCLU, MATSOLVERUMFPACK, MATSOLVERCHOLMOD, PCFactorSetMatSolverPackage(), MatSolverPackage

Level:beginner
Location:
src/mat/impls/aij/seq/klu/klu.c
Index of all Mat routines
Table of Contents for all manual pages
Index of all manual pages