It is square. If so, I will use DMCreateGlobalVector. Thanks!
Gianluca On Thu, Jul 16, 2015 at 9:25 AM, Jed Brown <[email protected]> wrote: > Gianluca Meneghello <[email protected]> writes: > > > I need both right and left vectors for use in a SLEPc SVD decomposition; > it > > is my understanding that the correct layout is obtained with > MatCreateVecs > > and that only the layout for the right vector is created with > > DMCreateGlobalVector. > > Do you have a non-square matrix? If so, is the left vector associated > with a different DM? > > > Or I might be wrong and there is actually no difference! If so I will > > use DMCreateGlobalVector > > without any problem > > If the system is square, DMCreateGlobalVector should be correct. >
