[SciPy-user] any symbolic manipulation of eigenvalue in Scipy?

Ivo Maljevic ivo.maljevic@gmail....
Tue Jun 9 19:04:59 CDT 2009


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}}

(put the line together if broken).

Ivo

2009/6/9 Xiaojian Wang <wangxj.uc@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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>
>
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