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Re: Approximating the function from its plot
In article <d4mv8h$3ds$1 at smc.vnet.net>, "Frank Iannarilli" <frankeye at cox.net> wrote: > I think this may be what you're looking for -- courtesy of some > years-ago poster: > That is, this trick allows you to employ Plot on some function to get > an adaptively sampled set of points, which you can in turn use in > FunctionInterpolation etc. You can play with Plot's options to > increase the sampling density/sampling behavior. I may have been the person who was being responded to -- not the responder -- in this earlier post. But I also learned at some earlier point that "DownValues" is another esoteric command that one can use to do similar kinds of data recovery, though in a somewhat different way.