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modal assurance criterion

From: Daniel Tourde
Subject: modal assurance criterion
Date: Wed, 19 Aug 1998 13:27:31 +0200

Hi !

Has any body written an octave script which implements the "modal
assurance criterion" ?

I would like to trace the variation of the eigenvalues of a matrix D(k)
in function of k. The modal assurance criteriondoes it. The idea is to
compute the scalar product of the new eigenvectors with the old
eigenvectors :


However, there are a lot of subcases that can enter into account, I
would like to know if someone has already written a "well proven"

Thanks in advance

                        Daniel Tourde
Daniel TOURDE                                   E-mail : address@hidden
The Aeronautical Research Institute of Sweden   Tel : +46 8 634 13 44
P.O. Box 11021 S-161 11 BROMMA, Sweden          Fax : +46 8  25 34 81

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