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MathGroup Archive 2004

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RE: sort list

  • To: mathgroup at smc.vnet.net
  • Subject: [mg47216] RE: [mg47208] sort list
  • From: "Reece, Daryl" <Daryl.Reece at goody.com>
  • Date: Wed, 31 Mar 2004 02:57:38 -0500 (EST)
  • Sender: owner-wri-mathgroup at wolfram.com

Since your address bounces for me...

Sort[List, ( #1[[2]] < #2[[2]])&] should do the trick

-----Original Message-----
From: Guibout [mailto:guibout at ifrance.com]
To: mathgroup at smc.vnet.net
Subject: [mg47216] [mg47208] sort list


Hi,
I have a list of the form 
{{something1,x1},{something2,x2},{something3,x3}} where x1,x2, x3 are 
numbers. I want to sort this list with respect to xi. In other word if 
x2<x3<x1 I want Mathematica to produce:
{{something2,x2},{something3,x3},{something1,x1}}
Thanks for your help
Vincent



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