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Comments on “Explicit direct solution of the Lyapunov matrix equation”

✍ Scribed by A.L. Zelentsovsky


Publisher
Elsevier Science
Year
1991
Tongue
English
Weight
119 KB
Volume
328
Category
Article
ISSN
0016-0032

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✦ Synopsis


Comments und Rebuttal advantage indicated. He is quoting to this effect reference (3). This paper deals, though, with discrete systems and the Lyapunov equation of the type shown in'its title, while our paper (4) concerns continuous systems. Such systems are mentioned in (3) in a brief remark only, quoting the results from (2) and ( ). However, paper (2) indeed contains the application of the skew-symmetric matrix to the Lyapunov equation for the purpose of reducing the number of algebraic equations. This application has been derived in (4) in a more concise and straightforward manner, but credit for the novelty of the idea has to go to Barnett and Storey (2).


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