Εμφανίζονται 1 - 20 Αποτελέσματα από 81.258 για την αναζήτηση 'algorithm for two-parameter eigenvalue problem*', χρόνος αναζήτησης: 3,91δλ Περιορισμός αποτελεσμάτων
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    Academic Journal

    Συγγραφείς: Ringh, Emil, Author, Jarlebring, Elias, Author

    Συνεισφορές: Ringh, Emil, Author, Jarlebring, Elias, Author

    Πηγή: SIAM Journal on Matrix Analysis and Applications. 42(2):775-799

    Περιγραφή αρχείου: print

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    Academic Journal

    Συγγραφείς: Hayati Ünsal Özer, Ahmet Duran

    Πηγή: Mathematical Modelling and Numerical Simulation with Applications. 4:448-468

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    Mixed Materials

    Additional Titles: The multiparameter matrix pencil problem (MPP) is a generalization of the one-parameter MPP: given a set of $m\times n$ complex matrices $A_0,\ldots, A_r$, with $m\ge n+r-1$, it is required to find all complex scalars $λ_0,\ldots,λ_r$, not all zero, such that the matrix pencil $A(λ)=\sum_{i=0}^rλ_iA_i$ loses column rank and the corresponding nonzero complex vector $x$ such that $A(λ)x=0$. This problem is related to the well-known multiparameter eigenvalue problem except that there is only one pencil and, crucially, the matrices are not necessarily square. In this paper, we give a full solution to the two-parameter MPP. Firstly, an inflation process is implemented to show that the two-parameter MPP is equivalent to a set of three $m^2\times n^2$ simultaneous one-parameter MPPs. These problems are given in terms of Kronecker commutator operators (involving the original matrices) which exhibit several symmetries. These symmetries are analysed and are then used to deflate the dimensions of the one-parameter MPPs to $\frac{m(m-1)}{2}\times\frac{n(n+1)}{2}$ thus simplifying their numerical solution. In the case that $m=n+1$ it is shown that the two-parameter MPP has at least one solution and generically $\frac{n(n+1)}{2}$ solutions and furthermore that, under a rank assumption, the Kronecker determinant operators satisfy a commutativity property. This is then used to show that the two-parameter MPP is equivalent to a set of three simultaneous eigenvalue problems. A general solution algorithm is presented and numerical examples are given to outline the procedure of the proposed algorithm.

    Σύνδεσμος: http://arxiv.org/abs/2406.17879

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    Academic Journal

    Συγγραφείς: Meerbergen, Karl, Plestenjak, Bor

    Συνεισφορές: Axelsson, Owe, Blaheta, Radim, Neytcheva, Maya, Pultarovà, Ivana

    Πηγή: Numerical Linear Algebra with Applications. 22:1131-1146

    Περιγραφή αρχείου: application/xml

    Συνδεδεμένο Πλήρες Κείμενο
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    Academic Journal

    Πηγή: Numerical Linear Algebra with Applications. 20:852-868

    Περιγραφή αρχείου: application/xml

    Σύνδεσμος πρόσβασης: https://lirias.kuleuven.be/bitstream/123456789/629845/2/nlaa2.pdf

    Συνδεδεμένο Πλήρες Κείμενο
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    Academic Journal

    Συγγραφείς: Masaaki Shimasaki, 島崎 眞昭

    Πηγή: 日本応用数理学会論文誌 / Transactions of the Japan Society for Industrial and Applied Mathematics. 1995, 5(2):121

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    Academic Journal

    Συγγραφείς: Masaaki Shimasaki, 島崎 眞昭

    Πηγή: 日本応用数理学会論文誌 / Transactions of the Japan Society for Industrial and Applied Mathematics. 1996, 6(3):205

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    Academic Journal

    Συγγραφείς: Kublanovskaya, V. N.

    Πηγή: Journal of Mathematical Sciences. 157:731-752

    Περιγραφή αρχείου: application/xml

    Συνδεδεμένο Πλήρες Κείμενο
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    Conference

    Συγγραφείς: Podlevskyi, Bohdan

    Πηγή: 2020 IEEE Ukrainian Microwave Week (UkrMW) Ukrainian Microwave Week (UkrMW), 2020 IEEE. :1-4 Sep, 2020

    Relation: 2020 IEEE Ukrainian Microwave Week (UkrMW)

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