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Research Group Computational Methods in Systems and Control Theory

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Research Group Computational Methods in Systems and Control Theory
(Prof. Dr. Peter Benner)


Preprint: Low-Rank Newton-ADI methods for Large Nonsymmetric Algebraic Riccati Equations

November 20th, 2014
Peter Benner, Patrick Kürschner and Jens Saak discuss a numerical algorithm for solving large-scale, nonsymmetric algebraic Ricatti equations, which combines a Newton's method with the low-rank ADI iteration for Sylvester equations.

Preprint: Balancing based model reduction for structured index-2 unstable descriptor systems with application to flow control

November 12th, 2014
Peter Benner, Jens Saak and M. Monir Uddin combine an approach for Balanced truncation of unstable systems with the efficient treatment of Stokes-like index-2 DAE structures and the latest techniques for implementing the low-rank ADI as well as choosing appropriate ADI shifts.

Upcoming seminar talks

Date Speaker(s) Title
13.01.15 Martin Köhler On block reformulations of Common solvers for (quasi-triangular generalized Lyapunov equations on modern computer architectures
20.01.15 Raphael Kruse (TU Berlin) tba

Date Speaker(s) Title

Date Speaker(s) Title

Jens Saak, saak@mpi-magdeburg.mpg.de