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MathGroup Archive 2005

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A question about pattern

  • To: mathgroup at smc.vnet.net
  • Subject: [mg53815] A question about pattern
  • From: Daohua Song <ds2081 at columbia.edu>
  • Date: Fri, 28 Jan 2005 02:44:04 -0500 (EST)
  • Sender: owner-wri-mathgroup at wolfram.com

Dear Group,
      I am just struggling by the following question: I want to build a 
rule like this,
      List/.{a___,b_,c_?(#>b&),d___}->{a,2 b,3 c,d}
      But it doesn't work.

      please help me! Thanks
DHSONG


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