From: "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de>
Subject: Re: Eigenvalues to find roots of polynomials
Date: Mon, 25 Jul 2011 21:04:14 +0200
Date: 2011-07-25T21:04:14+02:00 [thread overview]
Message-ID: <12rqoo5jd0lqy$.1kgmuqfqym6z2$.dlg@40tude.net> (raw)
In-Reply-To: 3ec148c9-a033-40a1-bc32-1aa52867478a@e35g2000yqc.googlegroups.com
On Mon, 25 Jul 2011 10:36:14 -0700 (PDT), marius63 wrote:
> -- | -A(1)/A(0) -A(2)/A(0) -A(3)/A(0) ... -A(N)/A(0) |
> -- | 1 0 0 ... 0 |
> -- | 0 1 0 ... 0 |
> -- | ... ... 1 ... 0 |
> -- |_ 0 0 0 ... 0 _|
The matrix passed to Eigenvalues (ARM G.3.2) must be Hermitian. The above
matrix is not Hermitian.
P.S. A matrix M is Hermitian if M (I,J) if the complex conjugate of M
(J,I)), i.e. Re (M(I,J)) = Re (M(J,I)) and Im (M(I,J)) = -Im (M(J,I))
--
Regards,
Dmitry A. Kazakov
http://www.dmitry-kazakov.de
next prev parent reply other threads:[~2011-07-25 19:04 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-25 17:36 Eigenvalues to find roots of polynomials marius63
2011-07-25 19:04 ` Dmitry A. Kazakov [this message]
2011-07-26 14:07 ` marius63
2011-07-25 20:22 ` Simon Wright
2011-07-26 7:31 ` Ada novice
2011-07-26 10:44 ` Simon Wright
2011-07-27 4:54 ` Ada novice
2011-07-26 14:01 ` marius63
2011-07-26 14:04 ` Simon Wright
2011-07-26 14:47 ` marius63
2011-07-26 17:33 ` Simon Wright
2011-07-26 18:04 ` Georg Bauhaus
2011-07-26 19:45 ` marius63
2011-07-26 6:21 ` John B. Matthews
2011-07-26 15:40 ` marius63
2011-07-27 3:21 ` John B. Matthews
2011-07-27 9:33 ` marius63
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