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MathGroup Archive 2004

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Re: matrix operations

  • To: mathgroup at smc.vnet.net
  • Subject: [mg46406] Re: matrix operations
  • From: Bill Rowe <readnewsciv at earthlink.net>
  • Date: Mon, 16 Feb 2004 23:43:42 -0500 (EST)
  • Sender: owner-wri-mathgroup at wolfram.com

On 2/16/04 at 8:59 AM, tarpanelli at libero.it (paolo tarpanelli)
wrote:

>How can i extract a column from a matrix and transform that column
>in a vector to make operation with this???

m=Table[10 i+j,{i,3},{j,3}]
c=m[[All,2]]

{{11,12,13},{21,22,23},{31,32,33}}

{12,22,32}

VectorQ[c]

True
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