[SciPy-user] problem with the determinant of matrix

Andrew Straw strawman@astraw....
Wed Mar 21 12:01:46 CDT 2007


Andrew Straw wrote:
> Could this be the issue that the SciPy build on the website was built 
> with SSE2 support and you don't have SSE2? Do you have an older 
> processor (other than Intel Pentium 3 or AMD something-or-other)? Not 
>   
                          ^^^^^ older
> using Windows much, I don't keep track of the details, but there 
> historically has been the occasional issue along these lines, and I'm 
> not sure it's been addressed.
>
> -Andrew
>
> emilia12@mail.bg wrote:
>   
>> Hi list,
>> i have a problem with the determinant of matrix. Following
>> the example ("http://www.scipy.org/SciPy_Tutorial"):
>> #code
>> from numpy import matrix
>> from scipy.linalg import inv, det, eig
>>
>> A=matrix([[1,1,1],[4,4,3],[7,8,5]]) # 3 lines 3 rows
>> b = matrix([1,2,1]).transpose()     # 3 lines 1 rows.
>>
>> print det(A)     # We can check, whether the matrix is
>> regular
>> #/code
>>
>> the python crashes with "Exit code: -1073741795"
>>
>> versions:
>> Python 2.4.4 (#71, Oct 18 2006, 08:34:43) [MSC v.1310 32 bit
>> (Intel)] on win32
>> NumPy 1.0.1 for Python 2.4
>> SciPy 0.5.2 for Python 2.4
>>
>> so, any ideas why this happens?
>>
>> e.
>>
>>
>>
>>
>>
>> -----------------------------
>>
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>>
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>>   
>>     
>
>
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