At 09:58 -0700 4/14/08, Larry Wall wrote:
>By the way, you don't need to put parens around the arguments to X. It takes a 
>list on either side.  We made it tall so that it would stand out visually 
>anyway:
>
>    $a,$b,$c X $x,$y,$z

How long before some engineer or 3D graphic artist gets really frustrated when 
he doesn't get what he expects?

($a,$b,$c) X ($x,$y,$z) ---> ($b*$z - $c*$y, $c*$x - $a*$z, $a*$y - $b*$x)

use classic_vectors; # perhaps.


-- 
--> If you are presented a number as a percentage, and you do not clearly 
understand the numerator and the denominator involved, you are surely being 
lied to. <--

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