Re: Help! I can't support normalization
From: David Cressey <david_at_dcressey.com>
Date: Sat, 16 Nov 2002 16:36:29 GMT
Message-ID: <huuB9.268$0I3.27200_at_petpeeve.ziplink.net>
Date: Sat, 16 Nov 2002 16:36:29 GMT
Message-ID: <huuB9.268$0I3.27200_at_petpeeve.ziplink.net>
> Cross product is just an aggregate operation
>
> select '<A,B>' as name, sum(a.value*b.value) from vector.a, vector.b
> where a.name = 'A' and b.name = 'B'
> and a.component# = b.component#
Isn't the above the dot product, rather than the cross product? Received on Sat Nov 16 2002 - 17:36:29 CET