Re: Sort List of Lists
- To: mathgroup at smc.vnet.net
- Subject: [mg24825] Re: [mg24809] Sort List of Lists
- From: BobHanlon at aol.com
- Date: Sun, 13 Aug 2000 23:49:48 -0400 (EDT)
- Sender: owner-wri-mathgroup at wolfram.com
In a message dated 8/13/2000 3:33:44 AM, dan_news at hotmail.com writes:
>Hello. Could someone please give me a clue on how to sort a list based
>on
>the Second Element in a List:
>I think one needs to use a "pure function" but I am too new with Mathematica
>(v4)
>(Trying to learn though) :>)
>
>For Example, I would like to sort this list based on the second element
>in
>each sub-list in "Descending" order:
>
>{{9, 2}, {1, 6}, {2, 4}}
>
>Results would be:
>{ {1,6},{2,4},{9,2} }
>
Sort[theList, #1[[2]] > #2[[2]] &]
Bob Hanlon