🚀 go-pugleaf

In article <1992Oct1.233811.8760@lmpsbbs.comm.mot.com>  
bhv@areaplg2.corp.mot.com (Bronis Vidugiris) writes:
> In article <marc.717947769@vieta.math.uni-sb.de>  
marc@vieta.math.uni-sb.de (Marc Conrad) writes:
> )dms@krang.vis.citri.edu.au (David Mcgregor SQUIRE) writes:
> )
> )>Q: What do you get if you cross an elephant with a grape?
> )
> )>A: |elephant||grape|sin(theta)
> )I'm stupid, but can someone explain this to me ??
> )Marc
> 
> Hmm.  Well, the reason it's funny is that the joke implies you are
> taking a CROSS product of an elephant and a grape, but the math shows
> a DOT product of an elephant and a grape!
> 
> (if A and B are vectors, |A| * |B| * sin(theta) is one expression for  
the
> dot product || -> absolute value, theta is the angle between the  
vectors).
> 
Hate to break it to you, but that is the magnitude of the CROSS product as  
promised.