On Tue, Mar 15, 2011 at 6:03 PM, Barry Smith <bsmith at mcs.anl.gov> wrote: > > On Mar 15, 2011, at 6:00 PM, Jed Brown wrote: > >> >> >> >> Related: What do people think about having MatGetSubMatrix() retain ownership of the submatrix? > > You mean keep a reference to it? A reference would be natural. > > Barry > >