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Re: Greatest element in list

• To: mathgroup at smc.vnet.net
• Subject: [mg30509] Re: [mg30474] Greatest element in list
• From: Tomas Garza <tgarza01 at prodigy.net.mx>
• Date: Fri, 24 Aug 2001 04:06:13 -0400 (EDT)
• References: <200108230615.CAA16967@smc.vnet.net>
• Sender: owner-wri-mathgroup at wolfram.com

Your code can't possibly work. Position requires a pattern (see Help
Browser). You might use something like

Position[lst, x_ /; x == Max[lst]]

Tomas Garza
Mexico City


----- Original Message -----
From: "Oliver Friedrich" <oliver.friedrich at tz-mikroelektronik.de>
To: mathgroup at smc.vnet.net
Subject: [mg30509] [mg30474] Greatest element in list


> Hi,
>
> what's the best way to get the position of the greatest number in list of
> reals? I've tried
>
> Position[#,Max[#]]&list
>
> but surprisingly, it doesn't work all the time, sometimes it returns an
> empty list. How is that, because a theorem says that a non empty set of
real
> numbers must have at least one biggest element. So Max[#] can't be empty.
>
> Any solutions ?
>
> Oliver Friedrich
>
>

• References:
  • Greatest element in list
    • From: "Oliver Friedrich" <oliver.friedrich@tz-mikroelektronik.de>