I want to solve a linear system, which has the following form (A+B A^{-1} B) u = f
Here A is a diagonal black matrix, B is a block matrix that I can figure out the pattern. Are there any solver that I can use to solve the linear system? or Can I figure out the pattern of B*B or BA^{-1}B ? Best, -- The deal.II project is located at http://www.dealii.org/ For mailing list/forum options, see https://groups.google.com/d/forum/dealii?hl=en --- You received this message because you are subscribed to the Google Groups "deal.II User Group" group. To unsubscribe from this group and stop receiving emails from it, send an email to dealii+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.