[NumPy-Tickets] [NumPy] #1947: Numerical error in Numpy causes different eigenvector matrices to be returned when close to identity.

NumPy Trac numpy-tickets@scipy....
Mon Sep 5 17:36:35 CDT 2011


#1947: Numerical error in Numpy causes different eigenvector matrices to be
returned when close to identity.
----------------------+-----------------------------------------------------
  Reporter:  shyuep   |       Owner:  somebody   
      Type:  defect   |      Status:  closed     
  Priority:  normal   |   Milestone:  Unscheduled
 Component:  Other    |     Version:  1.5.1      
Resolution:  invalid  |    Keywords:             
----------------------+-----------------------------------------------------
Changes (by pv):

  * status:  new => closed
  * resolution:  => invalid


Comment:

 This is not a bug. If this sort of behavior breaks your algorithm, it is
 numerically unstable.

 Also, this does occur in other numerical packages, such as Matlab.

-- 
Ticket URL: <http://projects.scipy.org/numpy/ticket/1947#comment:1>
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