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Re: Manipulating a matrix

  • To: mathgroup at smc.vnet.net
  • Subject: [mg59236] Re: Manipulating a matrix
  • From: albert <awnl at arcor.de>
  • Date: Wed, 3 Aug 2005 01:19:42 -0400 (EDT)
  • References: <dcmuig$glg$1@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

Hi Ramier,

> I have a n x n matrix and I'd like to remove the first line and the
> first column in order to get the (n-1)x(n-1) matrix with the entries
> remaining. Is there a simple way to do that ?

Have a look at Drop[]:

m = Array[a, {4, 4}]; 
MatrixForm[m]
m1 = Drop[m, 1, 1]; 
MatrixForm[m1]

albert


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