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MathGroup Archive 2005

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Re: Applying a list of functions to a list of arguments

  • To: mathgroup at smc.vnet.net
  • Subject: [mg57331] Re: [mg57309] Applying a list of functions to a list of arguments
  • From: Andrzej Kozlowski <andrzej at akikoz.net>
  • Date: Wed, 25 May 2005 06:02:34 -0400 (EDT)
  • References: <200505240912.FAA19179@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

On 24 May 2005, at 18:12, D M Yates wrote:

>
> I have a list of functions, and a list of arguments:
>
> For example,
> f = {f1, f2, f3}
> a = {a1,a2,a3}
>
> I would like to return
> {f1[a1],f2[a2],f3[a3]}
>
> I thought this should easy, but am stumped. Obviously the lists are of
> equal, but arbitrary length, and the arguments may or may not be  
> atomic
> expressions. In my particular case, the arguments are likely to be
> combinations of Real, and List[Real,...], but I hope this is
> irrelevant.
>
> Any suggestions?
>
> Many thanks,
>
> Derek Yates
>
>

For example:

f = {f1, f2, f3}
a = {a1,a2,a3}

MapThread[Operate[#1, #2, 0] &, {f, a}]

{f1[a1], f2[a2], f3[a3]}


Andrzej Kozlowksi


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