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MathGroup Archive 2004

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Re: pattern matching and droping elements from list of lists.

  • To: mathgroup at smc.vnet.net
  • Subject: [mg49773] Re: pattern matching and droping elements from list of lists.
  • From: Bill Rowe <readnewsciv at earthlink.net>
  • Date: Fri, 30 Jul 2004 06:02:25 -0400 (EDT)
  • Sender: owner-wri-mathgroup at wolfram.com

On 7/29/04 at 7:46 AM, sean_incali at yahoo.com (sean kim) wrote:

>Outer[List, {a, b, c}, {a, b, c}, {a, b, c}]

>will output

<output snipped>

>how do I remove {a,a,a} and {b,b,b} and {c,c,c} from above?

DeleteCases[Outer[List, 
   {a, b, c}, {a, b, c}, 
   {a, b, c}], {x_, x_, x_}, 
  3]
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