Robots again

From: Lawrence Walker <lwalker_at_mail.interlog.com>
Date: Tue Mar 17 07:54:02 1998

On 16 Mar 98 at 21:21, Lawrence Wilkinson wrote:

> In article <Pine.LNX.3.95.980316132720.19589A-
> 100000_at_behemoth.host4u.net>, Doug Yowza <yowza_at_yowza.com> writes
> >To be fair, analog computers can do things digital computers can't. For
> >example, a digital computer can only approximate 1.0/3.0 whereas an
> >analog box has no trouble with this. Certain ops would also be much
> >faster with analog vs. digital, but I'd have to guess that these are
> >implementation issues that get lost in the noise.
> But a digital computer can represent rational numbers exactly as you
> have (e.g. Smalltalk has a rational data type which behaves just like
> any other number) but irrational numbers cause problems. But then can
> an analogue machine represent irrational numbers exactly?
> --
> Lawrence Wilkinson ljw_at_formula1.demon.co.uk
  
 When I took my Electronics course , one of my greatest bafflements
and frustrations was dealing with the "approximations" of analogue
circuits. Needless to say it was a great relief when we moved on to
the exactitude of digital circuits.

ciao larry
lwalkerN0spaM_at_interlog.com
Received on Tue Mar 17 1998 - 07:54:02 GMT