Re: How do I manipulate that data?
- To: mathgroup at smc.vnet.net
- Subject: [mg22488] Re: [mg22403] How do I manipulate that data?
- From: "Tomas Garza" <tgarza at mail.internet.com.mx>
- Date: Sun, 5 Mar 2000 00:24:24 -0500 (EST)
- Sender: owner-wri-mathgroup at wolfram.com
mark griggs [markgriggs at sc.rr.com] wrote:
> I have a data file called data.txt. It consists of 2 columns of
> data. I am able to read with
> data = ReadList["/home/mark/data.txt", {Real, Real}]; I let the first
> column represent x and the second represent y. Then I plot y vs. x
> with ListPlot[data]. My problem is that I need to plot y^2 vs. x.
> So, how can I square all the y terms?
newdata={#[[1]],#[[2]]^2}&/@data
Tomas Garza
Mexico City