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 Untermainanlage 1 D-60329 Frankfurt am Main GERMANY Tel.: +49(0)69 71 34 53 80 Mobile: +49(0)172 6 74 95 77 Fax: +49(0)69 71 34 95 380 E-mail: matthias.bode at oppenheim.de Internet: http://www.oppenheim.de -----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 | | 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