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MathGroup Archive 2004

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Re: matrix operations

  • To: mathgroup at smc.vnet.net
  • Subject: [mg46372] Re: matrix operations
  • From: Mariusz Jankowski<mjankowski at usm.maine.edu>
  • Date: Mon, 16 Feb 2004 23:41:57 -0500 (EST)
  • Organization: University of Southern Maine
  • References: <c0qjb3$k8q$1@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

Paolo, 

there are two basic methods:

mat[[All, i]]

or

Transpose[mat][[i]]


Look under Part in the Help Browser. Also, read the section on Lists in A
Practical Introduction to Mathematica in The Mathematica Book.

Mariusz


  

>>> paolo tarpanelli<tarpanelli at libero.it> 2/16/2004 9:16:03 AM >>>
How can i extract a column from a matrix and transform that column in a
vector to make operation with this???

Thanks

Paolo




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