[SciPy-user] Possible bug in bessel special function h2vp

Stephen Walton stephen.walton at csun.edu
Mon Oct 3 10:42:28 CDT 2005

Robert Kern wrote:

>Julian Swartz wrote:
>>I've encountered what appears to be a bug in the function h2vp, which
>>calculates the nth order derivative of a hankel function of the second kind.
>>Here is an example with a second derivative being requested. The
>>function returns two different values on successive calls.
>Not a clue. On OS X with the last CVS of scipy before the migration to
>SVN, I don't see differences when repeating the call,

I get the same answers as Robert.  Fedora Core 4.

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