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Re: Distance between to points in r^3

• To: mathgroup at smc.vnet.net
• Subject: [mg41602] Re: [mg41576] Distance between to points in r^3
• From: David Terr <dterr at wolfram.com>
• Date: Wed, 28 May 2003 04:57:32 -0400 (EDT)
• Organization: WRI
• References: <200305270547.BAA00531@smc.vnet.net>
• Sender: owner-wri-mathgroup at wolfram.com

Ronny Mandal wrote:

> Hi.
> 
> Assume that I've got to vectors  (3,4,5) and (6,7,8).How do I 
> calculate the distance between them?
> 
> Thanks in advance.
> 
> Ronny M
>
The distance between the points (x1,y1,z1) and (x2,y2,z2) is 
Sqrt[(x1-x2)^2+(y1-y2)^2+(z1-z2)^2]. For your points, the distance is 
Sqrt[9+9+9]=Sqrt[27]=3 Sqrt[3], which is approximately 5.19615.

David

• References:
  • Distance between to points in r^3
    • From: "Ronny Mandal" <ronnyma@math.uio.no>