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Re: Sort problem


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


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