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MathGroup Archive 2001

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Re: matrix

  • To: mathgroup at
  • Subject: [mg28403] Re: matrix
  • From: Erk Jensen <Erk.Jensen at>
  • Date: Mon, 16 Apr 2001 03:28:56 -0400 (EDT)
  • Organization: CERN
  • References: <9bb759$>
  • Sender: owner-wri-mathgroup at

Su Su Win wrote:
> Hello,
> How can I make a matrix (4000x1220) with zeros except that all the values at
> 216th to 220th rows are ones.
> Thank you very much in advance.
> Regards, Win



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