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Abstract
A matrix Routh-approximant modelling procedure is proposed for a multi-input multi-output system characterized by a matrix transfer function G(s), where G(s) = B(s) A −1(s) and A(s) and B(s) are matrix polynomials in s. The associated time-domain modelling procedure is also discussed. Compared with three matrix Cauer continued-fractions, the proposed method requires less computational effort. In addition, it is applicable to systems with unequal number of inputs and outputs. A demonstrative example is included.
