[Scipy-tickets] [SciPy] #749: scipy.stats.vonmises.cdf broken for large b

SciPy scipy-tickets@scipy....
Wed Oct 8 17:18:58 CDT 2008


#749: scipy.stats.vonmises.cdf broken for large b
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 Reporter:  peridot  |        Owner:  somebody
     Type:  defect   |       Status:  new     
 Priority:  normal   |    Milestone:          
Component:  Other    |      Version:          
 Severity:  normal   |   Resolution:          
 Keywords:           |  
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Comment (by peridot):

 The approximation we use is discussed <a
 href="http://books.google.com/books?id=zoVLF0VF9UYC&pg=PA202&lpg=PA202&dq=von+mises+distribution+cdf&source=web&ots
 =bZ-35PfMTc&sig=vRT_yQgCPYPa3KDJqTd1I-
 H8Ixc&hl=en&sa=X&oi=book_result&resnum=10&ct=result#PPA202,M1">here</a>.
 It seems there are others that are slightly more accurate at negligible
 extra cost.

-- 
Ticket URL: <http://scipy.org/scipy/scipy/ticket/749#comment:1>
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