Marc : > Let A be a square sparse matrix of size n x n (n of order up to 1 M). Is it > possible to access in PETSc to the lower and upper decomposition coefficient > triangles (L and U) of A factored in the MUMPS external package?
You may run the code with option -mat_mumps_icntl_4 <0>: ICNTL(4): level of printing (0 to 4) (None) with '-mat_mumps_icntl_4 4', you'll see the data structure of analysis phase, ... If you need more, contact mumps developer. Hong > ========================================================= > Polytech'Marseille, D?partement de M?canique Energ?tique > Laboratoire IUSTI, UMR 6595 CNRS-Universit? Aix-Marseille > Technopole de Chateau-Gombert, 5 rue Enrico Fermi > 13453 MARSEILLE, Cedex 13, FRANCE > --------------------------------------------------------------------------------------------------- > Tel ?: +33 (0)4.91.10.69.14 ou 38 > Fax : +33 (0)4.91.10.69.69 > e-mail : Marc.Medale at polytech.univ-mrs.fr > ========================================================= > > >
