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MathGroup Archive 2006

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Re: Problem with Thread over Plus?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg65403] Re: Problem with Thread over Plus?
  • From: Mark_robert.holt at kcl.ac.uk
  • Date: Thu, 30 Mar 2006 05:30:00 -0500 (EST)
  • Sender: owner-wri-mathgroup at wolfram.com

Threading { {1,1} , {2,2} , {3,3} } will produce { {1,2,3}, {1,2,3} } to which you can't add {1,1}, because they are of different lengths. You could, however, add {1,1,1}, which does work.

Mark

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