>>>>> "Ben" == Ben Blomberg <bblomberg at mail.bradley.edu> writes:
Ben> I recently posted about trouble finding eigenvalues with a
Ben> large Matrix. IT was suggested I try loading lapack and using
Ben> dgeev. This worked like a?charm. However if I try and find
Ben> the eigenvectors with something like this
Ben> ?[eigenvals, R_eigenvec,
Ben> L_eigenvec]:dgeev(aa1, True, True);
Ben> I get eigenvectors that differ from?similar?programs. The
Ben> first two seem correct but after that the values are much
Ben> different from that in say mathmatica.
Ben> Does anyone have any thought?
A small example would be helpful. But remember that eigenvectors are
not unique. If x is an eigenvector, so is a*x. Perhaps Mathematica
uses a different normalization of the eigenvectors?
Ray