A challenging test for convergence accelerators: summation of a series with a special sign pattern.
Sidi, Avram (2006)
Applied Mathematics E-Notes [electronic only]
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Sidi, Avram (2006)
Applied Mathematics E-Notes [electronic only]
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A. Sidi (1982)
Numerische Mathematik
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C. Brezinski (1980)
Numerische Mathematik
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A. Fdil (1998)
Applicationes Mathematicae
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A new algorithm which generalizes the E-algorithm is presented. It is called the -algorithm. Some results on convergence acceleration for the -algorithm are proved. Some applications are given.
C. Brezinski (1988)
Applicationes Mathematicae
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A. Janicki (1970)
Applicationes Mathematicae
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A. Fdil (1997)
Applicationes Mathematicae
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Some new results on convergence acceleration for the E-algorithm which is a general extrapolation method are obtained. A technique for avoiding numerical instability is proposed. Some applications are given. Theoretical results are illustrated by numerical experiments
P. Deuflhard, E. Hairer, J. Zugck (1987)
Numerische Mathematik
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A.A.M. Cuyt (1983)
Numerische Mathematik
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Avram Sidi (1990)
Numerische Mathematik
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Didier Auroux, Maëlle Nodet (2012)
ESAIM: Control, Optimisation and Calculus of Variations
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In this paper, we consider the back and forth nudging algorithm that has been introduced for data assimilation purposes. It consists of iteratively and alternately solving forward and backward in time the model equation, with a feedback term to the observations. We consider the case of 1-dimensional transport equations, either viscous or inviscid, linear or not (Burgers’ equation). Our aim is to prove some theoretical results on the convergence, and convergence properties, of this algorithm....