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MathGroup Archive 2006

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Re: Creating a new table using values from a column in another table,

  • To: mathgroup at smc.vnet.net
  • Subject: [mg66375] Re: [mg66346] Creating a new table using values from a column in another table,
  • From: Adriano Pascoletti <pascolet at dimi.uniud.it>
  • Date: Thu, 11 May 2006 02:14:47 -0400 (EDT)
  • References: <200605101034.GAA21842@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

Map[{#, f[#]} & @ #[[1]] &, {{x1, y1}, {x2, y2}, {xn, yn}}]

Adriano Pascoletti

On 10 mag 2006, at 12:34, Wonko the Sane wrote:

> Hi all,
>
> I have a question that I have not been able to work out myself, and so
> put it to the group to help. I have a set of data points in a table (2
> columns {{x1,y1},{x2,y2},....,{xn,yn}}) I have performed a fit to the
> data and have a function f[x] which I would now like to evaluate at  
> each
> data point (column 1 of the first table) to get a new table
> {{x1,f[x1]},{x2,f[x2]},....,{xn,f[xn]}}. Is there a way to do this? I
> hope my request is clear
>
> Best Regards
> Michael
>


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