On 21.08.2012 22:37, Matthew Knepley wrote: > I was wrong, this is not nonsense. However, for curl curl the null > space grows with matrix dimension, and > as far as I can tell from the slides, the null space determination is > not scalable (Jack correct me if I am wrong). > Also, they gave no timings, so I suspect null space determination is slow. > > I don't think any other LU we have will do this, so if you have null > spaces you are stuck with MUMPS.
PARDISO can do this as well. -- Regards, Alexander
