Check the PETSC matrix libmesh documentation - I think there is a method to return the raw PETSC object.
I know there is for vectors anyway! -Ben On Sep 17, 2012, at 9:42 AM, "Andrew E Slaughter" <[email protected]> wrote: > I need to multiply two SparseMatrix objects together, in parallel, does > libMesh have this functionality? > > One possible solution is to use the PETSc MatMatMult function, but this > requires that I use PetscMatrix objects, which I also cannot figure out how > to do. Can someone indicate how I can specify the ImplicitSystem::matrix > and a matrix added with ImplicitSystem::add_matrix can be PetscMatrix > objects. > > Thanks, > Andrew > > -- > Andrew E. Slaughter, PhD > [email protected] > > Materials Process Design and Control Laboratory > Sibley School of Mechanical and Aerospace Engineering > 169 Frank H. T. Rhodes Hall > Cornell University > Ithaca, NY 14853-3801 > (607) 229-1829 > http://aeslaughter.github.com/ > ------------------------------------------------------------------------------ > Live Security Virtual Conference > Exclusive live event will cover all the ways today's security and > threat landscape has changed and how IT managers can respond. Discussions > will include endpoint security, mobile security and the latest in malware > threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ > _______________________________________________ > Libmesh-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/libmesh-users ------------------------------------------------------------------------------ Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ _______________________________________________ Libmesh-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/libmesh-users
