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Re: List Question

  • To: mathgroup at smc.vnet.net
  • Subject: [mg67946] Re: [mg67889] List Question
  • From: ggroup at sarj.ca
  • Date: Thu, 13 Jul 2006 06:54:36 -0400 (EDT)
  • References: <200607120905.FAA22137@smc.vnet.net>
  • Reply-to: ggroup at sarj.ca
  • Sender: owner-wri-mathgroup at wolfram.com

Hello Simon,

Probably the easiest is to make a new list:

origList = {{x1,y1},{x2,y2},{x3,y3,z3},{x4,y4}...}

newList = origList[[All, {1,2}]]

On Wednesday, July 12, 2006 at 5:05 AM, Simon Bale wrote:

> Hi,

> I have a list with the following structure:

> {{x1,y1},{x2,y2},{x3,y3,z3},{x4,y4}...}

> As you can see some of the data points have three elements. I would
> like to remove these z elements so that the list has a structure
> {{x1,y1},{x2,y2},{x3,y3},{x4,y4}...}. I'm not sure how to achieve this
> so any
> help is greatly appreciated.

> Regards, Simon Bale.



-- 
Thanks for writing,
 ggroup at sarj.ca

I've determined the momentum of my physics assignment so precisely 
that it can be anywhere in the universe right now.


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