You can use them in PETSc for faster assembly IIRC.
On Monday, August 17, 2015 at 1:55:51 AM UTC+2, Christoph Ortner wrote: > > data structures like that would be very natural, e.g., in FE codes and > similar applications. But I would argue unless there are good solvers that > exploits this structure, they are essentially useless. Do such solvers > exist? (The only case I know of, off the top of my head, is the trivial > case of a higher-order DGFE mass matrix.) > > Personally, I would also be quite interested in such data structures and > associated sparse solvers. > > Christoph >
