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Re: problems with delayed write: tag list

• To: mathgroup at smc.vnet.net
• Subject: [mg79897] Re: problems with delayed write: tag list
• From: chuck009 <dmilioto at comcast.com>
• Date: Wed, 8 Aug 2007 04:52:06 -0400 (EDT)

How about this:

aList = {{1, 2}, {2, 7}, {4, 9},{-7, -2}}; 

nowFunction[myList_, myDiff_] :=
Select[myList,Abs[#1[[1]] - #1[[2]]] == myDiff & ]

nowFunction[aList, 5]