On Sun, Oct 23, 2022 at 2:58 AM 赵刚 <zha...@lsec.cc.ac.cn> wrote: > Dear developers, > > I have another question. How can I get the L and U matrices and store them > in a file when I call SuperLU through PETSc? Thanks.
SuperLU stores these matrices in its own format. If you want to do I/O with them, you would probably have to extract them from the Petsc Mat and call SuperLU I/O functions, if they exist. Thanks, Matt > Best Regards, > Gang -- What most experimenters take for granted before they begin their experiments is infinitely more interesting than any results to which their experiments lead. -- Norbert Wiener https://www.cse.buffalo.edu/~knepley/ <http://www.cse.buffalo.edu/~knepley/>