RE: sort list
- To: mathgroup at smc.vnet.net
- Subject: [mg47209] RE: [mg47208] sort list
- From: "Owen, HL (Hywel)" <H.L.Owen at dl.ac.uk>
- Date: Wed, 31 Mar 2004 02:57:10 -0500 (EST)
- Sender: owner-wri-mathgroup at wolfram.com
Sort can take many types of wildcards. One solution for you is e.g.:
In: Sort[{{A, 2}, {B, 3}, {C, 1}}, #1[[2]] < #2[[2]] &]
Out: {{C, 1}, {A, 2}, {B, 3}}
Hywel
> -----Original Message-----
> From: Guibout [mailto:guibout at ifrance.com]
To: mathgroup at smc.vnet.net
> Sent: 30 March 2004 10:02
> To: mathgroup at smc.vnet.net
> Subject: [mg47209] [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
>