Consult UMFPACK documentation for more information about the Control parameters which correspond to the options database keys below.
-mat_umfpack_prl | - UMFPACK print level: Control[UMFPACK_PRL] | |
-mat_umfpack_strategy <AUTO> (choose one of) AUTO UNSYMMETRIC SYMMETRIC 2BY2 | - . -mat_umfpack_dense_col <alpha_c> - UMFPACK dense column threshold: Control[UMFPACK_DENSE_COL] | |
-mat_umfpack_dense_row <0.2>: Control[UMFPACK_DENSE_ROW] | - . -mat_umfpack_amd_dense <10>: Control[UMFPACK_AMD_DENSE] | |
-mat_umfpack_block_size <bs> | - UMFPACK block size for BLAS-Level 3 calls: Control[UMFPACK_BLOCK_SIZE] | |
-mat_umfpack_2by2_tolerance <0.01>: Control[UMFPACK_2BY2_TOLERANCE] | - . -mat_umfpack_fixq <0>: Control[UMFPACK_FIXQ] | |
-mat_umfpack_aggressive <1>: Control[UMFPACK_AGGRESSIVE] | - . -mat_umfpack_pivot_tolerance <delta> - UMFPACK partial pivot tolerance: Control[UMFPACK_PIVOT_TOLERANCE] | |
-mat_umfpack_sym_pivot_tolerance <0.001>: Control[UMFPACK_SYM_PIVOT_TOLERANCE] | - . -mat_umfpack_scale <NONE> (choose one of) NONE SUM MAX | |
-mat_umfpack_alloc_init <delta> | - UMFPACK factorized matrix allocation modifier: Control[UMFPACK_ALLOC_INIT] | |
-mat_umfpack_droptol <0>: Control[UMFPACK_DROPTOL] | - - -mat_umfpack_irstep <maxit> - UMFPACK maximum number of iterative refinement steps: Control[UMFPACK_IRSTEP] |