Are there any free source for matrix diagonalization?

[Terry Reedy]

Kurda Yon wrote:
> Hi,
> 
> Does Python have a free source community for the numerical problems
> coding? I mean, are there some web-sites where I could find a free
> code for such problems like calculation of eigenvectors and
> eigenvalues of matrices?

Did you try searching, say with Google?
"Python numerical calculation eigenvalue"
4th hit