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MathGroup Archive 2005

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Re: Sort problem

  • To: mathgroup at smc.vnet.net
  • Subject: [mg56360] Re: Sort problem
  • From: Bill Rowe <readnewsciv at earthlink.net>
  • Date: Fri, 22 Apr 2005 06:24:48 -0400 (EDT)
  • Sender: owner-wri-mathgroup at wolfram.com

On 4/21/05 at 5:36 AM, 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

use Sort and Ordering as follows:

In[1]:=
age = {30, 12, 60, 20}; 
pple = {"john", "kate", "peter", "alice"}; 

In[3]:=
Sort[age]
pple[[Ordering[age]]]

Out[3]={12, 20, 30, 60}
Out[4]={"kate", "alice", "john", "peter"}
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