Structured Pseudospectra and the Condition of a Nonderogatory Eigenvalue
SIAM Journal on Matrix Analysis and Applications
Structured Pseudospectra for Small Perturbations
SIAM Journal on Matrix Analysis and Applications
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We investigate the effect of linear perturbations on several structured matrix pencils arising in control theory. These include skew-symmetric/symmetric pencils arising in the computation of optimal H infty control and linear-quadratic control for continuous and discrete time systems.