[Scipy-tickets] [SciPy] #499: scipy linalg det fails

SciPy scipy-tickets@scipy....
Mon Sep 10 13:47:00 CDT 2007


#499: scipy linalg det fails
----------------------------+-----------------------------------------------
 Reporter:  GeorgeLeCompte  |        Owner:  somebody
     Type:  defect          |       Status:  new     
 Priority:  normal          |    Milestone:  0.6     
Component:  scipy.linalg    |      Version:          
 Severity:  major           |   Resolution:          
 Keywords:                  |  
----------------------------+-----------------------------------------------
Comment (by nils):

 I cannot reproduce your problem.

 {{{
 numpy version 1.0.4.dev4027
 matrix ok
 scipy version 0.7.0.dev3310
 ['__builtins__', '__doc__', '__file__', '__name__', 'det', 'eig', 'inv',
 'matrix', 'unwrap', 'version       ']
 linalg ok
 A [[1 1 1]
  [4 4 3]
  [7 8 5]]
 fA [[ 1.  1.  1.]
  [ 4.  4.  3.]
  [ 7.  8.  5.]]
 det(fA) 1.0
 b [[1]
  [2]
  [1]]
 [' det(a, overwrite_a=0) -> d',
  '',
  '    Return determinant of a square matrix.',
  '    ']
 None
 det(A) 1.0
 [[ 1.]
  [-2.]
  [ 2.]]
 (array([ 10.57624887+0.j       ,  -0.28812444+0.1074048j,
         -0.28812444-0.1074048j]), array([[-0.14056873+0.j        ,
 -0.58724949-0.17776272j,
         -0.58724949+0.17776272j],
        [-0.48042175+0.j        ,  0.00353210+0.16590709j,
          0.00353210-0.16590709j],
        [-0.86569936+0.j        ,  0.77201089+0.j        ,  0.77201089-0.j
 ]]))
 }}}

-- 
Ticket URL: <http://scipy.org/scipy/scipy/ticket/499#comment:1>
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