Re: Q:Nicer than: Function[x,MapAt[Im,x,2]]/@data
- To: mathgroup at smc.vnet.net
- Subject: [mg5415] Re: Q:Nicer than: Function[x,MapAt[Im,x,2]]/@data
- From: "David B. Wagner" <dbwagner at princon.com>
- Date: Sat, 7 Dec 1996 00:25:42 -0500
- Organization: Principia Consulting
- Sender: owner-wri-mathgroup at wolfram.com
rommel at bc.edu wrote:
>
> I want to ListPlot the imaginary part of data:
>
> data={{x0,z0},{x1,z1},{x2,z2}}
>
> The x? are real, the z? complex.
>
> My simple but ugly solution was
>
> Transpose[{Transpose[data][[1]],Im[Transpose[data][[2]]]}]
>
> after reading a little I came to the shorter
>
> Function[x,MapAt[Im,x,2]]/@data
>
> Is there a nicer way to do it?
Use rule-based programming:
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