[SciPy-user] any symbolic manipulation of eigenvalue in Scipy?
Ivo Maljevic
ivo.maljevic at gmail.com
Tue Jun 9 20:12:34 EDT 2009
I had a missmatching brackets which didn't seem to matter. Anyway, a better
way to write your query is to input:
eigenvalue{{ a, b, a*b },{a+b, 0, 0 } ,{c, a, c+b}}
Ivo
2009/6/9 Ivo Maljevic <ivo.maljevic at gmail.com>
> If you need to find a quick result than the easiest way is to go through
> wolfram alpha. Just enter:
> eig{{ a, b, a*b ]},{a+b, 0, 0 } ,{c, a, c+b}}
>
> or use the following link:
>
>
> http://www06.wolframalpha.com/input/?i=eig{{+a%2C+++++b%2C+++a*b++]}%2C{a%2Bb%2C++0%2C++++0++++}+%2C{c%2C+++++a%2C+++++c%2Bb}}<http://www06.wolframalpha.com/input/?i=eig%7B%7B+a%2C+++++b%2C+++a*b++%5D%7D%2C%7Ba%2Bb%2C++0%2C++++0++++%7D+%2C%7Bc%2C+++++a%2C+++++c%2Bb%7D%7D>
>
> (put the line together if broken).
>
> Ivo
>
> 2009/6/9 Xiaojian Wang <wangxj.uc at gmail.com>
>
>> Hi,
>> I would like to know if there is any module in Scipy (or Numpy?), which
>> has capability
>> of symbolic manipulation and can generate matrix's
>> eigenvalues/eigenvectors.
>> My matrix is symbolic, such as a 3x3 matrix:
>>
>> [ a, b, a*b ]
>> [a+b, 0, 0 ]
>> [c, a, c+b]
>>
>> a,b,c could be any values in my future applications.
>> if not, do you guy know any other programs can do this?
>>
>> Many thanks for your help in advance!
>>
>> Xiaoijan
>>
>>
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>> SciPy-user at scipy.org
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>>
>>
>
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