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=head2 RETURN RESULT

Return hub vector and authority vector in PDL object format.

  $h->result();


=head2 SETTINGS

Set initial authority vector. Vector is normalized to unit Euclidean
length.

  $h->set_authority(\@v);


Set initial hub vector. Vector is normalized to unit Euclidean length.

  $h->set_hub(\@v);

=head1 ACKNOWLEDGEMENT

Thanks goes to Hugo Zanghi for pointing out the bug in normalizing vectors.

=head1 COPYRIGHT AND LICENSE

Copyright (C) 2004 by Yung-chung Lin (a.k.a. xern) <xern@cpan.org>