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MathGroup Archive 2003

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Re: Simple Question -- Incrementing All Elemnts in A list by 1

  • To: mathgroup at smc.vnet.net
  • Subject: [mg44325] Re: Simple Question -- Incrementing All Elemnts in A list by 1
  • From: Daniel Reeves <dreeves at umich.edu>
  • Date: Wed, 5 Nov 2003 10:01:00 -0500 (EST)
  • Organization: University of Michigan Engineering
  • References: <bo7pfk$am8$1@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

In this case, {2,3,4,45,98} + 1 will do what you want.

More generally, you can avoid defining a throwaway function by using a 
pure function, aka the Function function.  Eg:

Map[Function[n, n+1], {2,3,4,45,98}]

(Check out the online help for Listable and Function for more.)

--- \/   FROM Thiery Balser AT 03.11.04 08:54 (Today)   \/ ---

> Hi,
> 
> I'm sort of stuck.
> 
> I would like to have all elements in a list incremted by a given number
> without defining a supplementary function.
> 
> What I've done so far is:
> 
> incFunc[n_]:=n+1;
> Map[incFunc,{2,3,4,45,98}]
> 
> which is all fine. It is only that I'm looking for a solution _without_
> defining the mentioned function incFunc.
> 
> 
> Thanks in advance,
> 
> Thiery

-- 
Daniel Reeves  --  http://ai.eecs.umich.edu/people/dreeves/      

"The only way to get rid of a temptation is to yield to it."
  -- Oscar Wilde


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