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| A STUDY OF THE LSQR ALGORITHM FOR CROSS-HOLE TOMOGRAPHY |
| YANG Wei, LIU Si-xin, FENG Yan-qian |
| College of Geoexploration Science and Technology, Jilin University, Changchun 130026, China |
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Abstract The key of the tomography lies in solving the equation group whose coefficient matrix is a large sparse one, and the LSQR algorithm is used here. This algorithm has many advantages that other iterative methods don't have. The calculation instance has proved that the results of the LSQR method are clear and reliable, and hence it has been widely used.d:\PDF\.pdfd:\PDF\.pdf
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Received: 27 April 2007
Published: 24 April 2008
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| Fund: d:\PDF\.pdfd:\PDF\.pdf |
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