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MathGroup Archive 2004

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Re: Joining 2D arrays

  • To: mathgroup at smc.vnet.net
  • Subject: [mg49139] Re: Joining 2D arrays
  • From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
  • Date: Mon, 5 Jul 2004 04:54:18 -0400 (EDT)
  • Organization: Universitaet Leipzig
  • References: <cc2uns$5iv$1@smc.vnet.net>
  • Reply-to: kuska at informatik.uni-leipzig.de
  • Sender: owner-wri-mathgroup at wolfram.com

Hi,

say it "Join" and

Join[A,B]

will do it

Regards
  Jens

Jonathan Greenberg wrote:
> 
> This is a total newbie question, but if I have two table of a fixed number
> of columns and an arbitrary number of rows, whats the easiest/most efficient
> way to join them together (basically, how do I add entries to a "database"
> in Mathematica) -- that database will eventually be perhaps > 1,000,000
> entries long...
> 
> A={{1,2},{3,4},{5,6}}
> B={{6,7},{8,9},{10,11},{12,13}}
> 
> I want:
> 
> {{1,2},{3,4},{5,6},{6,7},{8,9},{10,11},{12,13}}
> 
> --j


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