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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: [mg57365] Re: [mg57309] Applying a list of functions to a list of arguments
  • From: "Tomas Garza Hernandez" <tgarza10 at msn.com>
  • Date: Wed, 25 May 2005 06:03:16 -0400 (EDT)
  • Sender: owner-wri-mathgroup at wolfram.com

Define

In[1]:=
g[x_, y_] := x[y]

Then

In[2]:=
MapThread[g, {f, a}]

Out[2]=
{f1[a1],f2[a2],f3[a3]}

Tomas Garza
Mexico City
>From: D M Yates <yatesd at mac.com>
To: mathgroup at smc.vnet.net
>Subject: [mg57365] [mg57309] Applying a list of functions to a list of arguments
>Date: Tue, 24 May 2005 05:12:47 -0400 (EDT)
>
>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
>



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