Re: Newbie question
- To: mathgroup at smc.vnet.net
- Subject: [mg25308] Re: Newbie question
- From: Yossi Lonke <jrl16 at po.cwru.edu>
- Date: Tue, 19 Sep 2000 03:45:35 -0400 (EDT)
- Organization: Dept. Mathematics, CWRU
- References: <8q3dvc$kbb@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
Hello,
One way to it is this:
Map[{#[[1]],1/#[[2]]}&, data],
Or, in even more cryptic form:
{#[[1]], 1/#[[2]]}& /@ data
The expression {#[[1]], 1/#[[2]]}& is a pure function, which receives
{x,y} (or longer lists)
as input and returns {x, 1/y}, and you simply map that function to your
list.
Yossi Lonke
Jose M Lasso wrote:
> 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
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Dr. Yossi Lonke
Mathematics Department
Case Western Reserve University
10900 Euclid Avenue
Cleveland, Ohio 44106
216 368-5423
http://www.cwru.edu/artsci/math/lonke/home.html
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