> El 28 ago 2017, a las 10:15, Toon Weyens <[email protected]> escribió: > > Thank you Barry, that explains why I couldn't find information about it. I am > now going to implement this straight-forward implementation as a first step. > > In the long term it would in any case be useful to have a solver that uses > H-matrices, such as H2lib. > > Is there any chance Petsc is thinking about moving to this kind of matrices > as well in the future? > >
You can use H2lib in a PETSc program by wrapping it in a shell matrix. We did this some time ago https://doi.org/10.1016/j.cam.2012.07.021 Also, PETSc has an interface to STRUMPACK, but only to the sparse part and I guess what you need is the dense part. Jose
