Re: dimensionality

• To: steve@xxxxxxxxxxxxxxxx (Steve Emmerson)
• Subject: Re: dimensionality
• From: Tom Whittaker <tomw@xxxxxxxxxxxxx>
• Date: Wed, 15 Apr 1998 19:41:30 CDT

Steve Emmerson wrote:
> 
> > during my undergrad 'career' was a representation of quantity names
> > using a 3-D matrix for powers (and inverse powers) of Length, Mass, and
> > Time.  In each box, the "unit dimensional" quantity was shown (like:
> > 
> >                  1  -2
> >                 L  T 
> >                  acceleration
> > 
> > Not every box had a name, but the ability to relate to a quantity
> > without introducing specific units systems was an extraordinary aid to
> > dimensional analysis.  I would think this sort of thing would be
> > critical when users start combining parameters with units attached.
> > Steve, has anyone looked into this type of thing for use with udunits?
> 
> It would be very easy to support this in the VisAD Unit class.

Am I the only one who thinks this is a very useful addition?  I wonder
if this has come up in any discussions about udunits?

tom

--
Tom Whittaker                                          tomw@xxxxxxxxxxxxx
Space Science and Engineering Center      University of Wisconsin-Madison
Phone/VoiceMail: 608/262-2759                           Fax: 608/263-6738

• Follow-Ups:
  • Re: dimensionality
    • From: Russ Rew

• References:
  • Re: quantity database
    • From: Steve Emmerson