Konvergenz von Mehrschrittverfahren zur Lösung halblinearer Anfangswertaufgaben |
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Authors: | R Ansorge |
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Institution: | (1) Institut für Mathematik der Technischen Hochschule Clausthal, 3392 Clausthal-Zellerfeld |
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Abstract: | Lax andRichtmyer showed, that stability of multi-level difference approximations to linear ordinary or partial initial value problems is sufficient as well as necessary for convergence.Dahlquist showed, that his stability concept for multi-level difference approximations to a system of non-linear first order ordinary differential equations yields a necessary and sufficient condition for convergence too. Here, the Lax-Richtmyer-theory is extended to semi-linear initial value problems, including now both convergence theorems. |
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