[R] 3D plot with it's quadratic approximation superimposed in same plot

From: Megh Dal <megh700004_at_yahoo.com>
Date: Mon, 23 May 2011 10:33:13 -0700 (PDT)

Dear all, I would like to draw a 3D plot as shown here http://en.wikipedia.org/wiki/File:NaturalLogarithmAll.png, for this function "f = exp[ 1 - x^2 - y^2]" (this function is some arbitrary!). I am aware of different 3D plotting system in R, however it would be great if I can get that kind of "soft look" (this will help me to make a good-looking presentation.)

Additionally, I want to superimpose the Quadratic approximation (at some arbitrary point) of that function, on the top of the same plot. Can somebody help me to achieve that?


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https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. Received on Mon 23 May 2011 - 17:49:08 GMT

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