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Inverse scattering for the one-dimensional Helmholtz equation: fast numerical method

โœ Scribed by Belai, Oleg V.; Frumin, Leonid L.; Podivilov, Evgeny V.; Shapiro, David A.


Book ID
115431038
Publisher
Optical Society of America
Year
2008
Tongue
English
Weight
193 KB
Volume
33
Category
Article
ISSN
0146-9592

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A Neumann boundary value problem of the Helmholtz equation in the exterior circular domain is reduced into an equivalent natural boundary integral equation. Using our trigonometric wavelets and the Galerkin method, the obtained stiffness matrix is symmetrical and circulant, which lead us to a fast n