Global ETD Search

1	Analytische und numerische Untersuchung von direkten und inversen Randwertproblemen in Gebieten mit Ecken mittels Integralgleichungsmethoden / Analytical and numerical research on direct and inverse boundary value problems in domains with corners using integral equation methods Vogt, Andreas 31 October 2001 (has links) No description available. 510 Mathematik Mathematics and Computer Science Inverse Probleme Randwertprobleme Gebiete mit Ecken Integralgleichungen Newtonverfahren Streuprobleme inverse problems boundary value problems domains with corners integral equations Newton method scattering theory 31.40 31.45 31.46 33.06 EGFN EGFR EGFY
2	Direktes und inverses Randwertproblem für einen Crack mit Impedanzrandbedingung / Direct and inverse boundary problem for a crack with an impedance boundary condition Lee, Kuo-Ming 22 October 2003 (has links) No description available. 510 Mathematik Mathematics and Computer Science Inverse Probleme Randwertprobleme Integralgleichungen Streuprobleme Crack offener Bogen inverse problems boundary value problems integral equations scattering theory crack open arc 31.40 31.45 31.46 EGFN EGFR EGFY
3	Magnetic Tomography / On the Nullspace of the Biot-Savart Operator and Point Sources in Field and Domain Reconstruction / Magnetische Tomographie / Über den Nullraum des Biot-Savart Operators und Punktquellen für Feld- und Gebietsrekonstruktion Kühn, Lars 27 May 2005 (has links) No description available. 510 Mathematik Mathematics and Computer Science Biot-Savart Inverse Probleme Nullraum Punktquellenmethode No Response Test Biot-Savart Inverse Problems Nullspace Point Source Method No Response Test 31.40 31.45 31.76 EDBB200
4	The condition number of Vandermonde matrices and its application to the stability analysis of a subspace method / Die Konditionzahl von Vandermondematrizen und ihre Anwendung für die Stabilitätsanalyse einer Unterraummethode Nagel, Dominik 19 March 2021 (has links) This thesis consists of two main parts. First of all, the condition number of rectangular Vandermonde matrices with nodes on the complex unit circle is studied. The first time quantitative bounds for the extreme singular values are proven in the multivariate setting and when nodes of the Vandermonde matrix form clusters. In the second part, an optimized presentation of the deterministic stability analysis of the subspace method ESPRIT is given and results from the first part are applied. Vandermonde matrix stability analysis subspace method ESPRIT clustered nodes 31.40 - Analysis: Allgemeines 31.76 - Numerische Mathematik 31.80 - Angewandte Mathematik N40 - Numerical analysis I90 - Miscellaneous 65-02 - Research exposition G.1.0 - General G.1.3 - Numerical Linear Algebra ddc:510

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