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MathGroup Archive 2000

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extracting common items from a list

  • To: mathgroup at smc.vnet.net
  • Subject: [mg25427] extracting common items from a list
  • From: ravanrip at yahoo.com (Ryan VanRiper (--))
  • Date: Fri, 29 Sep 2000 01:07:44 -0400 (EDT)
  • Organization: Honeywell Technology Center, Honeywell Inc.
  • Sender: owner-wri-mathgroup at wolfram.com

Hi,  How would i go about selecting common things from 2 different
lists?

If i have  V = {v$234Period <= 10, v$235Period > v$234Period,
v$234Period >=5}

and  W = {v$234Period}

I would get a new list   X = {v$234Period <= 10, v$234Period >=5}

Notice that im only interested in inequalities whose left hand side
contains one of the elements in W.

Ryan




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