Geodesic
On arbitrary matrix coefficient assignment for the characteristic matrix polynomial of block matrix linear control systems
Vestnik Udmurtskogo universiteta. Matematika, mehanika, kompʹûternye nauki, Tome 34 (2024) no. 3, pp. 339-358

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For block matrix linear control systems, we study the property of arbitrary matrix coefficient assignability for the characteristic matrix polynomial. This property is a generalization of the property of eigenvalue spectrum assignability or arbitrary coefficient assignability for the characteristic polynomial from system with scalar $(s=1)$ block matrices to systems with block matrices of higher dimensions $(s>1)$. Compared to the scalar case $(s=1)$, new features appear in the block cases of higher dimensions $(s>1)$ that are absent in the scalar case. New properties of arbitrary (upper triangular, lower triangular, diagonal) matrix coefficient assignability for the characteristic matrix polynomial are introduced. In the scalar case, all the described properties are equivalent to each other, but in block matrix cases of higher dimensions this is not the case. Implications between these properties are established.
Keywords: linear time-invariant control system, eigenvalue spectrum assignment, linear static feedback, block matrix system 
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     title = {On arbitrary matrix coefficient assignment for the characteristic matrix polynomial of block matrix linear control systems},
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V. A. Zaitsev. On arbitrary matrix coefficient assignment for the characteristic matrix polynomial of block matrix linear control systems. Vestnik Udmurtskogo universiteta. Matematika, mehanika, kompʹûternye nauki, Tome 34 (2024) no. 3, pp. 339-358. http://geodesic.mathdoc.fr/item/VUU_2024_34_3_a2/