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MathGroup Archive 2001

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Re: How to convert a list of functions in a list valued function

  • To: mathgroup at smc.vnet.net
  • Subject: [mg28295] Re: How to convert a list of functions in a list valued function
  • From: Mariusz Jankowski <mjkcc at usm.maine.edu>
  • Date: Sat, 7 Apr 2001 03:44:56 -0400 (EDT)
  • Sender: owner-wri-mathgroup at wolfram.com

Thomas Neff wrote:

> I have a list of functions, say
> 
> funlist = {f1, f2, f3, ..., fn}
> 
> I want to construct a function f, so that
> 
> f[x] gives the list {f1[x], f2[x], f3[x], ... fn[x]}
> 
> f[x_] = funlist[x] doesn't work ;-(
> 
> Is there an elegant way to do this in Mathematica ?
> 
> 
> Thanks
> 
> Thomas
> 


Thomas, what you want is to Map the following pure function #[x]& over your 
list of functions:

f[x_] := Map[ #[x]&, {f1,f2,f3,f4}]


Mariusz



==============================================
Dr. Mariusz Jankowski
University of Southern Maine
mjkcc at usm.maine.edu


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