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Model reduction of descriptor systems by interpolatory projection methods
(Siam Publications, 2013)
In this paper, we investigate an interpolatory projection framework for model reduction of descriptor systems. With a simple numerical example, we first illustrate that directly applying the subspace conditions from the ...
Structured noncommutative multidimensional linear systems
(Siam Publications, 2005)
We introduce a class of multidimensional linear systems with evolution along a free semigroup. The transfer function for such a system is a formal power series in noncommuting indeterminates. Standard system-theoretic ...