The AAA algorithm for rational approximation

Y Nakatsukasa, O Sète, LN Trefethen - SIAM Journal on Scientific Computing, 2018 - SIAM
We introduce a new algorithm for approximation by rational functions on a real or complex
set of points, implementable in 40 lines of MATLAB and requiring no user input parameters …

[КНИГА][B] Lecture notes in computational science and engineering

TJ Barth, M Griebel, DE Keyes, RM Nieminen, D Roose… - 2005 - Springer
The FEniCS Project set out in 2003 with an idea to automate the solution of mathematical
models based on differential equations. Initially, the FEniCS Project consisted of two …

Order reduction of large scale second-order systems using Krylov subspace methods

B Salimbahrami, B Lohmann - Linear Algebra and its Applications, 2006 - Elsevier
In order reduction of large-scale linear time invariant systems, Krylov subspace methods
based on moment matching are among the best choices today. However, in many technical …

Transparent CPU-GPU collaboration for data-parallel kernels on heterogeneous systems

J Lee, M Samadi, Y Park… - Proceedings of the 22nd …, 2013 - ieeexplore.ieee.org
Heterogeneous computing on CPUs and GPUs has traditionally used fixed roles for each
device: the GPU handles data parallel work by taking advantage of its massive number of …

Real-time attack-recovery for cyber-physical systems using linear approximations

L Zhang, X Chen, F Kong… - 2020 IEEE Real-Time …, 2020 - ieeexplore.ieee.org
Attack detection and recovery are fundamental elements for the operation of safe and
resilient cyber-physical systems. Most of the literature focuses on attack-detection, while …

Quadrature-Based Vector Fitting for Discretized Approximation

Z Drmac, S Gugercin, C Beattie - SIAM Journal on Scientific Computing, 2015 - SIAM
Vector fitting is a popular method of constructing rational approximants designed to fit given
frequency response measurements. The original method, which we refer to as VF, is based …

An iterative SVD-Krylov based method for model reduction of large-scale dynamical systems

S Gugercin - Linear Algebra and its Applications, 2008 - Elsevier
In this paper, we propose a model reduction algorithm for approximation of large-scale
linear time-invariant dynamical systems. The method is a two-sided projection combining …

Second-order balanced truncation

Y Chahlaoui, D Lemonnier, A Vandendorpe… - Linear algebra and its …, 2006 - Elsevier
We consider second-order linear time-invariant systems. The objective of this paper is to
present a new method for constructing a reduced system by preserving the second-order …

The RKFIT algorithm for nonlinear rational approximation

M Berljafa, S Guttel - SIAM Journal on Scientific Computing, 2017 - SIAM
The RKFIT algorithm outlined in [M. Berljafa and S. Güttel, SIAM J. Matrix Anal. Appl., 36
(2015), pp. 894--916] is a Krylov-based approach for solving nonlinear rational least …

Structure preserving order reduction of large scale second order models

SB Salimbahrami - 2005 - mediatum.ub.tum.de
For reduced order modelling of large scale second order systems while preserving the
second order structure, we propose two approaches based on matching some of the …