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Guaranteed and fully computable two-sided bounds of Friedrichs' constant
- 1.0391459 - MÚ 2014 RIV CZ eng C - Conference Paper (international conference)
Vejchodský, Tomáš
Guaranteed and fully computable two-sided bounds of Friedrichs' constant.
Programs and Algorithms of Numerical Matematics 16. Prague: Institute of Mathematics, Academy of Sciences of the Czech Republic, 2013 - (Chleboun, J.; Segeth, K.; Šístek, J.; Vejchodský, T.), s. 195-201. ISBN 978-80-85823-62-2.
[Programy a algoritmy numerické matematiky /16./. Dolní Maxov (CZ), 03.06.2012-08.06.2012]
R&D Projects: GA AV ČR(CZ) IAA100190803
Institutional support: RVO:67985840
Keywords : numerical methods * computing
Subject RIV: BA - General Mathematics
http://users.math.cas.cz/~panm/Panm16/proceedings_final/195_vejchodsky.pdf
This contribution presents a general numerical method for computing lower and upper bound of the optimal constant in Friedrichs’ inequality. The standard Rayleigh-Ritz method is used for the lower bound and the method of a priori-a posteriori inequalities is employed for the upper bound. Several numerical experiments show applicability and accuracy of this approach.
Permanent Link: http://hdl.handle.net/11104/0220501
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