[SciPy-user] [SOLVED] high precision bessel’s functions

Neal Becker ndbecker2@gmail....
Mon Dec 8 19:12:23 CST 2008

Fredrik Johansson wrote:

> Since this isn't the first time someone asked for Bessel functions in
> mpmath (or rather, asked for Bessel functions in a more general
> setting and was pointed to mpmath) I've now implemented the Bessel I,
> Y, K and Hankel H1/H2 functions, and in a way that hopefully avoids
> the major numerical issues. You can get it by checking out the SVN
> version. Documentation is here:
> http://mpmath.googlecode.com/svn/trunk/doc/build/functions/hypergeometric.html
> Leonid, I'd be interested to know if this implementation of the Hankel
> function works for your problem. If it's not too complicated, I'd like
> to add your calculation (or a simplified version thereof) to the test
> suite or as a documentation example. It's always nice with real-world
> tests.
> Fredrik


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