Mathematica 9 is now available
Services & Resources / Wolfram Forums
-----
 /
MathGroup Archive
2004
*January
*February
*March
*April
*May
*June
*July
*August
*September
*October
*November
*December
*Archive Index
*Ask about this page
*Print this page
*Give us feedback
*Sign up for the Wolfram Insider

MathGroup Archive 2004

[Date Index] [Thread Index] [Author Index]

Search the Archive

Re: Joining 2D arrays

  • To: mathgroup at smc.vnet.net
  • Subject: [mg49142] Re: [mg49131] Joining 2D arrays
  • From: "Ravinder Kumar B." <ravi at crest.ernet.in>
  • Date: Mon, 5 Jul 2004 04:54:21 -0400 (EDT)
  • Sender: owner-wri-mathgroup at wolfram.com

Following should work to join two lists:
Join[A,B] or
Append[A,B]

On Fri, 2 Jul 2004, 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
>

-- 
 Regards,                                   Jul 2
    Ravi



         |~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~|
         |           Ravinder Kumar Banyal (SRF),                |
         |          Indian Institute of Astrophysics,            |
         |           Koramangala Bangalore - 560 034. INDIA      |
         | email : banyal at iiap.res.in, ravi at crest.ernet.in       |
         | Ph No : 080 25530672 (IIA)       080 7931972 (Hoskote)|
         |                                     7931952           |
          ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Philosophers have interpreted the world in various ways, but the point is
to change it. --Karl Marx


  • Prev by Date: Re: DSolve question
  • Next by Date: Solid plot
  • Previous by thread: RE: Joining 2D arrays
  • Next by thread: Re: Joining 2D arrays