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MathGroup Archive 2000

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Re: Newbie question

  • To: mathgroup at
  • Subject: [mg25319] Re: [mg25275] Newbie question
  • From: Hugh Walker <hwalker at>
  • Date: Tue, 19 Sep 2000 03:45:50 -0400 (EDT)
  • Sender: owner-wri-mathgroup at

>Hi Mathgroup,
>I have some numerical data: data:={{x,y},{x1,y1},{x2,y2}....{xn,yn}},
>I want to transform the data like this:
>data1:={{x,1/y},{x1,1/y1},{x2,1/y2}....{xn,1/yn}}, how can I do this
>transformation? Thanx in advance. Regards
>Jose M Lasso
Hi Jose. This will do it

data = {{a, b}, {c, d}, {e, f}}
data /. {x_, y_} -> {x, 1/y}

Have fun!


Hugh Walker
Gnarly Oaks

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