Geodesic
Singular value decomposition in the source problem
Sibirskij žurnal vyčislitelʹnoj matematiki, Tome 15 (2012) no. 2, pp. 205-211

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Inverse source problem for the wave equation is considered. The additional information is measured on different parts of the boundary. The degree of ill-posedness of the inverse problem is investigated. Numerical algorithm which is based on the SVD of the discrete inverse problem is constructed and tested. 
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     author = {S. I. Kabanikhin and O. I. Krivorotko},
     title = {Singular value decomposition in the source problem},
     journal = {Sibirskij \v{z}urnal vy\v{c}islitelʹnoj matematiki},
     pages = {205--211},
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     volume = {15},
     number = {2},
     year = {2012},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/SJVM_2012_15_2_a10/}
}
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S. I. Kabanikhin; O. I. Krivorotko. Singular value decomposition in the source problem. Sibirskij žurnal vyčislitelʹnoj matematiki, Tome 15 (2012) no. 2, pp. 205-211. http://geodesic.mathdoc.fr/item/SJVM_2012_15_2_a10/