Hi! I have solved a PDE generalized eigenproblem (A*v = lambda*B*v) in libmesh, but I would like to do some linear algebra computations that involves the A and B matrices, some of the eigenvectors v, as well as A2/B2-matrices that arise from a different type of discretization of the same PDE.
I guess I will probably have to create a second EigenSystem in order to create A2 and B2, but how can I perform linear algebra computations involving all of these matrices and vectors? Are there any known libmesh examples where computations such as v^T*A2*v are done, where v is an eigenvector from the A/B generalized eigenproblem, and A2 comes from a different eigenproblem? Is it possible to get access to A/B/v/A2/B2 as PETSc-objects that can be manipulated freely using PETSc functions? Best regards and thanks! Torquil Sørensen ------------------------------------------------------------------------------ What NetFlow Analyzer can do for you? Monitors network bandwidth and traffic patterns at an interface-level. Reveals which users, apps, and protocols are consuming the most bandwidth. Provides multi-vendor support for NetFlow, J-Flow, sFlow and other flows. Make informed decisions using capacity planning reports. http://sdm.link/zohomanageengine _______________________________________________ Libmesh-users mailing list Libmesh-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/libmesh-users
