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Perturbation theory for Hamiltonian matrices and the distance to bounded-realness. (English) Zbl 1227.93081

MSC:
93C73 Perturbations in control/observation systems
93B36 \(H^\infty\)-control
93B40 Computational methods in systems theory (MSC2010)
49N35 Optimal feedback synthesis
65F15 Numerical computation of eigenvalues and eigenvectors of matrices
93B52 Feedback control
93C05 Linear systems in control theory
Software:
Eigtool; Seigtool
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