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Re: Mapping a pure function with 2 conponents.

  • To: mathgroup at smc.vnet.net
  • Subject: [mg77248] Re: Mapping a pure function with 2 conponents.
  • From: David Reiss <dbreiss at gmail.com>
  • Date: Wed, 6 Jun 2007 06:55:12 -0400 (EDT)
  • References: <f43i20$3hl$1@smc.vnet.net>

So, in effect you are wanting a functoin of one variable that you
take Parts of.  This should do the trick:

> Map[#[[1]]^2 + #[[2]] &, {{0, 1}, {2, 3}, {4, 5}}]

--David
http://scientificarts.com/worklife
Now Mathematica 6 compatible....



On Jun 5, 7:39 am, phoenix7... at gmail.com wrote:
> I'm trying to get the following code to work:
>
> Map[#1^2 + #2 &, {{0, 1}, {2, 3}, {4, 5}}]
>
> The goal is to use a pure function in order to achieve the result:
> {1, 7, 21}
>
> The issue is that the evaluation involves   #1^2 + #2 & [{0,1}]
> instead of #1^2 + #2 & [0,1]
>
> Thanks, in advance.




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