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Re: 2D FT of f(r): Fast Hankel Transforms


In article <dru7ek$a4c$1 at smc.vnet.net>,
 "Hypermars" <hypermars at despammed.com> wrote:

> Are Fast (or the so-called quasi-Fast) Hankel Transforms implemented or
> implementable in Mathematica?


Have a look at <http://www.stanford.edu/~siegman/software.html>.

[Note:  I don't claim to be a numerical analysis or computational 
analysis guru; but I do believe the "Quasi Fast Hankel Transform" that's 
linked to on that page (and which I invented more or less accidentally 
too many years ago) may possibly still be (with proper "low end 
corrections" included) the fastest and most accurate way to do numerical 
evaluations of Hankel transforms of any order.  Comments from those with 
deeper knowledge of the subject welcome.]


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