Re: Solving a large sparse system with a single dense row/column?

"Anony" <no-email@xxxxxxxxxxxx> writes:

There is no way to agree with the opinion "renumbering .... save you only
half the full bandwidth".

Basically, you need a good renumbering scheme or tool. The following is a
link for renumbering
http://www.equation.com/servlet/equation.cmd?call=jcl
(or http://www.Equation.com)
Hello,
assume an "arrow matrix" with fill in in the diagonal and the last row
and column.
What's the most efficient numbering?
What's the corresponding band width?

Alois
.