[Numpy-tickets] [NumPy] #662: eigh hangup

NumPy numpy-tickets@scipy....
Thu Feb 21 09:29:27 CST 2008


#662: eigh hangup
--------------------+-------------------------------------------------------
 Reporter:  Numpty  |       Owner:  somebody
     Type:  defect  |      Status:  new     
 Priority:  normal  |   Milestone:  1.0.5   
Component:  Other   |     Version:  none    
 Severity:  normal  |    Keywords:          
--------------------+-------------------------------------------------------
 numpy version[[BR]]
 `1.0.4`

 sys.version[[BR]]
 `2.5 (r25:51908, Sep 19 2006, 09:52:17) [MSC v.1310 32 bit (Intel)]`

 {{{
 #!python
 import numpy

 cov = numpy.array([
     [ 77.70273908,   3.51489954,  15.64602427],
     [  3.51489954,  88.97013878,  -1.07431931],
     [ 15.64602427,  -1.07431931,  98.18223512],
 ])
 # or any array I've tried


 # This never returns (not within minutes anyway)
 vals, vecs = numpy.linalg.eigh(cov)

 }}}

 eig() works and using the gui examples tool from the LAPACK 3.1.1 Windows
 installation, it seems that the DSYEVD routine mentioned in the docstring
 succeeds with these inputs.

-- 
Ticket URL: <http://scipy.org/scipy/numpy/ticket/662>
NumPy <http://projects.scipy.org/scipy/numpy>
The fundamental package needed for scientific computing with Python.


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