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Numerical Approximation of Exact Controls for Waves
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Catalogue Information
Field name
Details
Dewey Class
511.4
Title
Numerical Approximation of Exact Controls for Waves ([Ebook]) / by Sylvain Ervedoza, Enrique Zuazua.
Author
Ervedoza, Sylvain
Added Personal Name
Zuazua, Enrique
Other name(s)
SpringerLink (Online service)
Publication
New York, NY : Springer
, 2013.
Physical Details
XVII, 122 pages : 17 illus., 3 illus. in color. : online resource.
Series
SpringerBriefs in Mathematics
2191-8198
ISBN
9781461458081
Summary Note
This book is devoted to fully developing and comparing the two main approaches to the numerical approximation of controls for wave propagation phenomena: the continuous and the discrete. This is accomplished in the abstract functional setting of conservative semigroups.The main results of the work unify, to a large extent, these two approaches, which yield similaralgorithms and convergence rates. The discrete approach, however, gives not only efficient numerical approximations of the continuous controls, but also ensures some partial controllability properties of the finite-dimensional approximated dynamics. Moreover, it has the advantage of leading to iterative approximation processes that converge without a limiting threshold in the number of iterations. Such a threshold, which is hard to compute and estimate in practice, is a drawback of the methods emanating from the continuous approach. To complement this theory, the book provides convergence results for the discrete wave equation when discretized using finite differences and proves the convergence of the discrete wave equation with non-homogeneous Dirichlet conditions. The first book to explore these topics in depth, "On the Numerical Approximations of Controls for Waves" has rich applications to data assimilation problems and will be of interest to researchers who deal with wave approximations.:
Contents note
1.Numerical approximation of exact controls for waves -- 2.The discrete 1-d wave equation -- 3.Convergence for homogeneous boundary conditions -- 4.Convergence with non-homogeneous data -- 5. Further comments and open problems -- References.
System details note
Online access to this digital book is restricted to subscription institutions through IP address (only for SISSA internal users).
Internet Site
http://dx.doi.org/10.1007/978-1-4614-5808-1
Links to Related Works
Subject References:
Algorithms
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Applications of Mathematics
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Approximations and Expansions
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Differential equations, Partial
.
Mathematics
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Numerical Analysis
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Partial differential equations
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Systems theory
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Systems Theory, Control
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Authors:
author
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Ervedoza, Sylvain
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Zuazua, Enrique
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Corporate Authors:
SpringerLink (Online service)
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Series:
SpringerBriefs in Mathematics
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Classification:
511.4
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511.4 (DDC 23)
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