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Published in:
2012 | OriginalPaper | Chapter
Improving Model-Order Reduction Methods by Singularity Exclusion
Authors : Pekka Miettinen, Mikko Honkala, Janne Roos, Martti Valtonen
Published in: Scientific Computing in Electrical Engineering SCEE 2010
Publisher: Springer Berlin Heidelberg
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This paper presents a novel stand-alone method for overcoming a singular system matrix in Model-Order Reduction (MOR) algorithms, which would otherwise foil successful algorithm operation and thus reduction. The basic idea of the method is to locate and identify the circuit areas that generate the singularities to the system matrix prior to MOR, and exclude these from the reduction. The method is applicable to any netlist-in–netlist-out type MOR method.