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MathGroup Archive 2004

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RE: partition of 2D arrray

  • To: mathgroup at smc.vnet.net
  • Subject: [mg49175] RE: [mg49137] partition of 2D arrray
  • From: "Ravinder Kumar B." <ravi at crest.ernet.in>
  • Date: Tue, 6 Jul 2004 03:33:49 -0400 (EDT)
  • Sender: owner-wri-mathgroup at wolfram.com

Learning is pleasure in such a diverse and jubilant group. I must thank
you all for your immediate and kind replies.
Regards,
Ravi


> Dear Friends,
> I have a list of 2D data of the following form:
> {{1,2,3,4},{5,6,7,8},{9,10,11,12},{13,14,15,16}};
> In MatrixForm it is 4x4 matrix.
> How do I extract the fisrt two column of the data from the above matrix.
> i.e.,
> {{1,2},{5,6},{9,10},{13,14}}
>
>
>

-- 
 Regards,                                   Jul 5
    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


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