喧闹 发表于 2025-3-30 11:57:49

0373-3149 Overview: 978-3-0348-5455-9978-3-0348-5454-2Series ISSN 0373-3149 Series E-ISSN 2296-6072

PLE 发表于 2025-3-30 13:03:58

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不能约 发表于 2025-3-30 20:25:35

,Über die Anwendung Einer Verallgemeinerung des Lehmann-Maehly-Verfahrens zur Berechnung von EigenweA new method is presented for determining lower bounds to eigenvalues. This method is applied to two eigenvalue problems for partial differential equations.

opprobrious 发表于 2025-3-31 00:44:32

,Ein Fourier-Algorithmus für die Anfangswertaufgabe der Dreidimensionalen Wirbeltransportgleichung,A Fourier algorithm is given in order to solve the initial value problem to the (suitably modified) equation of transport of vorticity for viscous incompressible fluids in the R.. The algorithm turns out to be stable and convergent with linear convergence velocity. A test problem is elaborated.

covert 发表于 2025-3-31 02:08:50

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Ballerina 发表于 2025-3-31 06:27:17

Complementary Variational Principles and Nonconforming Trefftz Elements,We consider convex variational problems.where K is a convex subset of a real linear space X and J: X→R is a convex Gateaux-differentiable functional, and special discrete counterparts

大都市 发表于 2025-3-31 09:19:06

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粗鲁的人 发表于 2025-3-31 13:32:42

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查看完整版本: Titlebook: Numerische Behandlung von Differentialgleichungen Band 3; Tagung an der Techni J. Albrecht,L. Collatz Book 1981 Springer Basel AG 1981 Bere