RE: [boost] Re: Probing interest in fixed dimension matrix class

From: Martin Bonner (martin.bonner_at_[hidden])
Date: 2005-06-03 03:17:18

----Original Message----
From: Deane Yang [mailto:deane_yang_at_[hidden]]
Sent: 02 June 2005 16:57
To: boost_at_[hidden]
Subject: [boost] Re: Probing interest in fixed dimension matrix class

> Andy Little wrote:
>> 
>> eg to find the point 1/3 rd way from the start of  line(A , B) one
>> could calculate 2/3 *A +1/3 * B. 
>> 
> 
> I think it is more natural to compute this as
> 
> A + (1/3)*(B - A),
> 
> where A and B are points and B - A is a vector. So you're really still
> just adding a vector to a point to get a new point. There is never a
> need to add or rescale points.

Hmm.  To me that looks a very UNnatural recasting of the original in order
to satisfy the rule.

-- 
Martin Bonner
Martin.Bonner_at_[hidden]
Pi Technology, Milton Hall, Ely Road, Milton, Cambridge, CB4 6WZ,
ENGLAND Tel: [phone]