Aw, c'mon, nothing brings a smile to one's face like a good Hessian matrix. Tony KT0NY On Sun, Mar 27, 2011 at 8:57 AM, Mike <nf4l at nf4l.com> wrote: > I *KNOW* it's science fiction when "entertaining" is used to describe > mathematics... :-D > > 73, Mike NF4L > >