Re: Newbie question
- To: mathgroup at smc.vnet.net
- Subject: [mg25297] Re: [mg25275] Newbie question
- From: BobHanlon at aol.com
- Date: Tue, 19 Sep 2000 03:45:19 -0400 (EDT)
- Sender: owner-wri-mathgroup at wolfram.com
In a message dated 9/17/2000 5:52:30 PM, jml at accessinter.net writes:
>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
>
data = Transpose[{Array[x, {5}], Array[y, {5}]}];
data1 = data /. {x_, y_} :> {x, 1/y}
{{x[1], 1/y[1]}, {x[2], 1/y[2]}, {x[3], 1/y[3]},
{x[4], 1/y[4]}, {x[5], 1/y[5]}}
or
({#[[1]], 1/#[[2]]} & /@ data) == data1
True
Bob Hanlon