On 5/21/13 7:39 AM, Theo Belaire wrote:
I haven't explicitly set the ring it's working over, but all the entries of the matrix are integral.
Are your eigenvalues guaranteed to be a little away from 0, so you could use numeric approximations? If so, computing the eigenvalues over the RDF field, which uses some numeric approximation algorithms, may be much faster than computing roots of integral characteristic polynomials.
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