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AW: partition of 2D arrray

  • To: mathgroup at smc.vnet.net
  • Subject: [mg49172] AW: [mg49137] partition of 2D arrray
  • From: Matthias.Bode at oppenheim.de
  • Date: Tue, 6 Jul 2004 03:33:40 -0400 (EDT)
  • Sender: owner-wri-mathgroup at wolfram.com

Hello Ravi,

please have a look at the package:

<< LinearAlgebra`MatrixManipulation`

TakeColumns[], in particular.

Best regards,
Matthias Bode
Sal. Oppenheim jr. & Cie. KGaA
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-----Ursprüngliche Nachricht-----
Von: Ravinder Kumar B. [mailto:ravi at crest.ernet.in] 
Gesendet: Montag, 5. Juli 2004 10:54
An: mathgroup at smc.vnet.net
Betreff: [mg49137] partition of 2D arrray


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 2
    Ravi



         |~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~|
         |           Ravinder Kumar Banyal (SRF),                |
         |          Indian Institute of Astrophysics,            |
         |           Koramangala Bangalore - 560 034. INDIA      |
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