[SciPy-dev] [mailinglist] Ticket 709

Nils Wagner nwagner@iam.uni-stuttgart...
Fri Jul 25 08:52:08 CDT 2008


On Fri, 25 Jul 2008 15:34:16 +0200
  Uwe Schmitt <uschmitt@mineway.de> wrote:
> Nils Wagner schrieb:
>> Hi all,
>>
>> Can someone reproduce the bug
>> http://scipy.org/scipy/scipy/ticket/709 ?
>>   
> Yes, I got the same result.
> I condensed the code to the following
> code:
> 
>    from base64 import b64decode
>    from numpy import loads
>    from scipy.linalg import eig
> 
>    Abin='gAJjbnVtcHkuY29yZS5tdWx0aWFycmF5Cl9yZWNv'\
>    'bnN0cnVjdApxAWNudW1weQpuZGFycmF5CnECSwCF'\
>    'VQFih1JxAyhLAUsQhWNudW1weQpkdHlwZQpxBFUC'\
>    'ZjhLAEsBh1JxBShLA1UBPE5OTkr/////Sv////9L'\
>    'AHRiiVWAAAAAAAAA8D8AAAAAAAAAAAAAAAAAAAAA'\
>    'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAPA/AAAAAAAA'\
>    'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA4juM4'\
>    'juMYwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA'\
>    'AAAAAACAOI7jOI7jGMB0Yi4='
> 
> 
>    Bbin='gAJjbnVtcHkuY29yZS5tdWx0aWFycmF5Cl9yZWNv'\
>    'bnN0cnVjdApxAWNudW1weQpuZGFycmF5CnECSwCF'\
>    'VQFih1JxAyhLAUsQhWNudW1weQpkdHlwZQpxBFUC'\
>    'ZjhLAEsBh1JxBShLA1UBPE5OTkr/////Sv////9L'\
>    'AHRiiVWAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAPA/'\
>    'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA'\
>    'AAAAAAAAAADwPwAAAAAAAPA/AAAAAAAAAAAAAAAA'\
>    'AAAAAKuqqqqqqgrAAAAAAAAAAAAAAAAAAADwP6uq'\
>    'qqqqqgpAAAAAAAAAAAB0Yi4='
> 
>    A= loads(b64decode(Abin)).reshape(4,4)
>    B= loads(b64decode(Bbin)).reshape(4,4)
> 
>    print A
>    print
>    print B
> 
>    print eig(A,B)
> 
> numpy is 1.0.4
> scipy is 0.6.0
> 
> Greetings, Uwe
> 
>> The eigencurves should be smooth.
>>
>> Nils
>>
>>   
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>> http://projects.scipy.org/mailman/listinfo/scipy-dev
>>
>>   
> 
> 
> -- 
> Dr. rer. nat. Uwe Schmitt
>F&E Mathematik
> 
> mineway GmbH
> Science Park 2
> D-66123 Saarbrücken
> 
> Telefon: +49 (0)681 8390 5334
> Telefax: +49 (0)681 830 4376
> 
> uschmitt@mineway.de
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> 
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> 
> 
I found an old entry

http://projects.scipy.org/scipy/scipy/ticket/224

David, please can you comment on that.

Nils



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