Re: Manipulating a matrix
- To: mathgroup at smc.vnet.net
- Subject: [mg59245] Re: Manipulating a matrix
- From: "Carl K. Woll" <carlw at u.washington.edu>
- Date: Wed, 3 Aug 2005 01:19:49 -0400 (EDT)
- Organization: University of Washington
- References: <dcmuig$glg$1@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
"Ramier" <wissam2 at online.fr> wrote in message news:dcmuig$glg$1 at smc.vnet.net... > Hello everyone, > > I think that my question is rather simple and maybe I ought to go > deeper into Mathematica book: > 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 ? > > Perhaps my question is really simple or idiot but I've never used > Mathematica before. > > Thanks a lot, > > Wissam > This is the type of question that will generate many different approaches. Here's mine. Let m be your matrix. Then: PadLeft[m, Dimensions[m]-1] will return your desired output. Carl Woll Wolfram Research