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Select from a list

• To: mathgroup at smc.vnet.net
• Subject: [mg49856] Select from a list
• From: Feng-Yin Chang <fychang at slac.stanford.edu>
• Date: Wed, 4 Aug 2004 10:46:35 -0400 (EDT)
• Sender: owner-wri-mathgroup at wolfram.com

Hi everyone,

   Does anyone have an idea to drop the repeating elements in one list?
   The list was built in sequence,fortunately.

   for example,
   from a={1,1,2,2,4,6,6,8,8,9}
   to a1={1,2,4,6,8,9}


  The purpose is to avoid the one-to-many mapping problem in my case.

Feng-Yin Chang,
Institute of Physics,NCTU,Taiwan

• Follow-Ups:
  • Re: Select from a list
    • From: Ken Levasseur <klevasseur@mac.com>
  • Re: Select from a list
    • From: Sseziwa Mukasa <mukasa@jeol.com>