Bravo Scott. I spent one hour trying to sort out John's routine, and
saved it to try again in the future, as I couldn't figure out why it
did work.

I enjoyed reading your explanation. Thanks to you and John. I will
keep both mails in my note.pad.

                Luiz

Luiz Eduardo Favre
favre@cos.ufrj.br




Scott Dattalo writes:
 > John Payson wrote:
 > > ...
 > > Anyone want to give a go at figuring out how it works?
 > >
 >
 > Sure!
 >   ...
 > And if you look at John's code closely, you will see this is
 > how he has expressed the b_j's.
 > Scott