[NumPy-Tickets] [NumPy] #1655: Poor precision using linalg.solve for certain matrices

NumPy Trac numpy-tickets@scipy....
Sun Oct 31 12:06:50 CDT 2010


#1655: Poor precision using linalg.solve for certain matrices
---------------------------+------------------------------------------------
  Reporter:  zoof          |       Owner:  pv    
      Type:  defect        |      Status:  closed
  Priority:  normal        |   Milestone:  1.5.1 
 Component:  numpy.linalg  |     Version:  1.5.0 
Resolution:  invalid       |    Keywords:        
---------------------------+------------------------------------------------

Comment(by pv):

 No, `linalg.solve` is always solving "A x = b", i.e., it does the left
 inverse.
 In your code, you assume it solves "x A = b", which it does not.

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Ticket URL: <http://projects.scipy.org/numpy/ticket/1655#comment:4>
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