[Scipy-tickets] [SciPy] #1114: scipy.special.sph_jn produces NaN result for large z

SciPy Trac scipy-tickets@scipy....
Sun Jan 30 11:23:39 CST 2011


#1114: scipy.special.sph_jn produces NaN result for large z
---------------------------+------------------------------------------------
 Reporter:  juya           |       Owner:  pv   
     Type:  defect         |      Status:  new  
 Priority:  normal         |   Milestone:  0.9.0
Component:  scipy.special  |     Version:  0.7.0
 Keywords:  sph_jn, NaN    |  
---------------------------+------------------------------------------------

Comment(by pv):

 @paulcristini: that is a different issue. `jn` is just an alias for `jv`,
 but `yn` is a different function from `yv`. `yn` truncates the order to an
 integer: `yn(x+0.5, z) == yn(x,z)`.

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Ticket URL: <http://projects.scipy.org/scipy/ticket/1114#comment:2>
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