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Re: Changing a list with the information of other

• To: mathgroup at smc.vnet.net
• Subject: [mg131394] Re: Changing a list with the information of other
• From: "Louis Talman" <talmanl at gmail.com>
• Date: Wed, 3 Jul 2013 04:57:46 -0400 (EDT)
• Delivered-to: l-mathgroup@mail-archive0.wolfram.com
• Delivered-to: l-mathgroup@wolfram.com
• Delivered-to: mathgroup-outx@smc.vnet.net
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• References: <20130702044642.9CA146A4F@smc.vnet.net>

On Mon, 01 Jul 2013 22:46:42 -0600, Joaquim Nogueira <jen at fct.unl.pt>  
wrote:

> {{0, 1}, {1, w}, {2, 1 + w}, {3, 1 + 2 w}, {4, 2}, {5, 2 w}, {6, 2 + 2  
> w}, {7, 2 + w}}

Call your first list L, your second M.

Then do

L /. {a_, b_} :> Set[f[b],a];

followed by

Map[f, M]

--Louis A. Talman
   Department of Mathematical and Computer Sciences
   Metropolitan State University of Denver

   <http://rowdy.msudenver.edu/~talmanl>

• References:
  • Changing a list with the information of other
    • From: Joaquim Nogueira <jen@fct.unl.pt>