The opposite of an eigenvector is an eigenvector as well, with the same eigenvalue. Depending on the algorithm, both can be returned.
2008/5/3 wilson email@example.com:
thanks for the links.. but why the different signs for entries in eigenvectors? is it a library specific thing? shouldn't they be identical? W _______________________________________________ Numpy-discussion mailing list Numpyfirstname.lastname@example.org http://projects.scipy.org/mailman/listinfo/numpy-discussion