(Similar to http://forums.wolfram.com/student-support/topics/26783 - F.M.)
I'm using mathematica 8. I have a set of data, and I did listlineplot.
it looks fine. I want do more. How can I find the line integral,
which is the length of the line profile of the graph? I attached my data.
Attachment: surface profile.nb, URL: firstname.lastname@example.org,