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Efficient Solution of Parameter Dependent Quasiseparable Systems and Computation of Meromorphic Matrix Functions
Abstract : In this paper we focus on the solution of shifted quasiseparable systems and of more general parameter dependent matrix equations with quasiseparable representations. We propose an efficient algorithm exploiting the invariance of the quasiseparable structure under diagonal shifting and inversion. This algorithm is applied to compute various functions of matrices. Numerical experiments show the effectiveness of the approach.
Cited literature [17 references]
https://hal.inria.fr/hal-01407857
Contributor : Paola Boito Connect in order to contact the contributor
Submitted on : Friday, December 2, 2016 - 3:49:47 PM
Last modification on : Monday, May 16, 2022 - 4:58:02 PM
Long-term archiving on: : Tuesday, March 21, 2017 - 1:04:28 PM
Contributor : Paola Boito Connect in order to contact the contributor
Submitted on : Friday, December 2, 2016 - 3:49:47 PM
Last modification on : Monday, May 16, 2022 - 4:58:02 PM
Long-term archiving on: : Tuesday, March 21, 2017 - 1:04:28 PM
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