Hello, You can use the invert <https://dealii.org/current/doxygen/deal.II/classFullMatrix.html#a940ea10266174ad366d10bd806177ace> function to get the inverse of the matrix and then you can use vmult with the new matrix.
Best, Bruno On Wednesday, January 26, 2022 at 8:19:46 AM UTC-5 [email protected] wrote: > Good afternoon, > > I have a basic question. I can see that for sparse matrix the function > SparseDirectUMFPACK.vmult() > solves Ax=b. I am trying now to solve a system with full matrix. I can > see that the function FullMatrix.vmult() does not apply the inverse as in > the sparse analogy. What is the best way in Deal.ii to solve Ax=b with > fullmatrix using a direct solver approach? > > Thank you > > -- 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 [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/dealii/54bc8e2b-5491-49da-910c-5f08b1b24815n%40googlegroups.com.
