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MathGroup Archive 2006

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Re: How to delete a row and a column in a matrix?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg69725] Re: How to delete a row and a column in a matrix?
  • From: "Raj" <rajanikanth at gmail.com>
  • Date: Thu, 21 Sep 2006 07:31:38 -0400 (EDT)
  • References: <eeqqlr$onu$1@smc.vnet.net>

Hi!

Use the Part command in Mathematica to select the rows and columns that
you want.

Suppose the matrix is 4*4 by like this

M = {{2, 2, 3, 4}, {2, 3, 4, 5}, {23, 4, 5, 5}, {2, 3, 4, 55}}

then you can delete the first row and last column by saying

Part[M, {2, 3, 4}, {1, 2, 3}]

Raj


hussain.alqahtani at gmail.com wrote:
> Dear
>
> I am wondering how to delete a given row and column in a matrix in a
> single command.?
> 
> Your prompt reply is highly appreciated.


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