On Mon, Jul 23, 2012 at 3:21 AM, Aaron Meurer <[email protected]> wrote: > On Sun, Jul 22, 2012 at 3:47 AM, Sergiu Ivanov > <[email protected]> wrote: >> On Sun, Jul 22, 2012 at 9:31 AM, Aaron Meurer <[email protected]> wrote: >>> >>> I'm curious, do these eigenvectors differ only by constants, or is it >>> a case of completely different linear combinations with some >>> eigenvalues of high geometric degree? >> >> I can't produce the exact example off-hand (I can do that, however, >> should the need be), but from what I remember, the eigenvectors would >> have components in different order, i.e., something like [0, 1, 2] in >> one run and [2, 0, 1] in another. > > This is the eigenvalues or eigenvector? [0, 1, 2] and [2, 0, 1] are > linearly independent, so unless there was also another differing > eigenvector corresponding to the same eigenvalue, I don't see how that > could have happened.
Frankly, I don't remember, sorry. Apparently, Chris's fix and my later rebase have removed any evidence. I have looked through Matrix.eigenvects; I can see that some sorting does happen, which renders my original remark largely irrelevant. Sergiu -- You received this message because you are subscribed to the Google Groups "sympy" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/sympy?hl=en.
