Re: Sort problem
- To: mathgroup at smc.vnet.net
- Subject: [mg56357] Re: Sort problem
- From: Harald Giese <spam.delete at gmx.net>
- Date: Fri, 22 Apr 2005 06:24:16 -0400 (EDT)
- References: <d47suf$54n$1@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
konstantpi at mail15.com wrote:
> Hi
> How to sort two lists such as:
> age={30,12,60,20};
> pple={"john","kate","peter","alice"};
>
> to give the output:
> age={12,20,30,60}
> pple={"kate","alice","john","peter"}
>
> ie: to keep every person opposite his age number.
> thanks
>
Hi Konstantin,
try "Ordering":
ord=Ordering[age]
{2,4,1,3}
age[[ord]]
(* same as: Sort[age] *)
{12,20,30,60}
(* but can be used to re-order "pple" *)
pple[[ord]]
{kate,alice,john,peter}
HTH
Harald
from Hamburg@Germany