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MathGroup Archive 2001

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matrix

  • To: mathgroup at smc.vnet.net
  • Subject: [mg28383] matrix
  • From: "Su Su Win" <susuwin at post.kek.jp>
  • Date: Sun, 15 Apr 2001 00:13:34 -0400 (EDT)
  • Organization: KEKB
  • Sender: owner-wri-mathgroup at wolfram.com

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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