[Scipy-tickets] [SciPy] #1854: scipy.stats.gaussian_kde.integrate functions are slow

SciPy Trac scipy-tickets@scipy....
Fri Mar 1 02:35:58 CST 2013


#1854: scipy.stats.gaussian_kde.integrate functions are slow
-------------------------------------------------+--------------------------
 Reporter:  itissid                              |       Owner:  pv         
     Type:  enhancement                          |      Status:  new        
 Priority:  normal                               |   Milestone:  Unscheduled
Component:  scipy.special                        |     Version:  0.11.0     
 Keywords:  gaussian_kde, numerical integration  |  
-------------------------------------------------+--------------------------

Comment(by pv):

 `ndtr` likely cannot be sped up significantly. The erf* functions are
 implemented via low-order Pade approximations + computing exp(x), so it's
 only some tens of floating point operations slower than computing exp(x).
 I don't know any faster portable way to do that.

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Ticket URL: <http://projects.scipy.org/scipy/ticket/1854#comment:1>
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