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MathGroup Archive 2005

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Re: Applying function to nested lists

  • To: mathgroup at smc.vnet.net
  • Subject: [mg57903] Re: Applying function to nested lists
  • From: Peter Pein <petsie at dordos.net>
  • Date: Sun, 12 Jun 2005 04:34:25 -0400 (EDT)
  • Organization: 1&1 Internet AG
  • References: <d8e525$gnl$1@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

Kerry Kim schrieb:
> Hello,
> 
> I'm trying to get Mathematica to do the following:
> 
> Suppose
> x = {{1,2,3},{{4,5,6},7,8},9}
> f = some function
> 
> How can I get f applied to each element of x but with the list structure 
> intact?  I.e. I want something that generates:
> 
> {{f[1],f[2],f[3]},{{f[4],f[5],f[6]},f[7],f[8]},f[9]}
> 
> Thank you!
> -Kerry Kim
> 

Map[f, x, {-1}] is what you're looking for.

-- 
Peter Pein
Berlin


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