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- W4293380448 abstract "In this paper, linearly structured partial polynomial inverse eigenvalue problem is considered for the $ntimes n$ matrix polynomial of arbitrary degree $k$. Given a set of $m$ eigenpairs ($1 leqslant m leqslant kn$), this problem concerns with computing the matrices $A_iin{mathbb{R}^{ntimes n}}$ for $i=0,1,2, ldots ,(k-1)$ of specified linear structure such that the matrix polynomial $P(lambda)=lambda^k I_n +sum_{i=0}^{k-1} lambda^{i} A_{i}$ has the given eigenpairs as its eigenvalues and eigenvectors. Many practical applications give rise to the linearly structured structured matrix polynomial. Therefore, construction of the linearly structured matrix polynomial is the most important aspect of the polynomial inverse eigenvalue problem(PIEP). In this paper, a necessary and sufficient condition for the existence of the solution of this problem is derived. Additionally, we characterize the class of all solutions to this problem by giving the explicit expressions of solutions. The results presented in this paper address some important open problems in the area of PIEP raised in De Teran, Dopico and Van Dooren [SIAM Journal on Matrix Analysis and Applications, $36(1)$ ($2015$), pp $302-328$]. An attractive feature of our solution approach is that it does not impose any restriction on the number of eigendata for computing the solution of PIEP. The proposed method is validated with various numerical examples on a spring mass problem." @default.
- W4293380448 created "2022-08-28" @default.
- W4293380448 creator A5038895760 @default.
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- W4293380448 date "2019-04-22" @default.
- W4293380448 modified "2023-09-30" @default.
- W4293380448 title "Solution of the Linearly Structured Partial Polynomial Inverse Eigenvalue Problem" @default.
- W4293380448 doi "https://doi.org/10.48550/arxiv.1904.10339" @default.
- W4293380448 hasPublicationYear "2019" @default.
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