MathGroup Archive: January 2007 [00471]

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How to find the index of a maximal element in a list?

To: mathgroup at smc.vnet.net
Subject: [mg72911] How to find the index of a maximal element in a list?
From: Valter Sorana <vsorana at yahoo.com>
Date: Thu, 25 Jan 2007 06:19:20 -0500 (EST)

I may have a mental block, but I cannot find anything better than

Position[listName,Max[listName]]

that traverses the list twice - once to find the maximum and once to find where it is.

Isn't there a way to get both the index and the max value in one go?

(of course one could write a loop that does this, but I want to avoid loops)

Thanks,

Valter.

Follow-Ups:
- Re: How to find the index of a maximal element in a list?
  - From: Andrzej Kozlowski <akoz@mimuw.edu.pl>
- Re: How to find the index of a maximal element in a list?
  - From: János <janos.lobb@yale.edu>
- Re: How to find the index of a maximal element in a list?
  - From: Carl Woll <carlw@wolfram.com>

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