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Zhurnal Vychislitel'noi Matematiki i Matematicheskoi Fiziki, 1999, Volume 39, Number 3, Pages 371–377
(Mi zvmmf1712)
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This article is cited in 3 scientific papers (total in 3 papers)
On solving indefinite symmetric linear systems by means of the Lanczos method
A. Greenbauma, V. L. Druskinb, L. A. Knizhnermanc a Mathematics Department, Box 354350, University of Washington, Seattle, WA 98195, USA
b Schlumberger-Doll Research, Old Quarry Road, Ridgefield, CT 06877-4108, USA
c Central Geophysical Expedition, Narodnogo Opolcheniya St., 40, bldg. 3, Moscow, 123298 Russia
Abstract:
A new result on the distribution of Ritz values at two consecutive steps of a simple Lanczos process is proved. It is used in showing why the Lanczos method effectively solves indefinite symmetric linear systems in computer arithmetic. The result of a numerical experiment is presented.
Received: 23.01.1998
Citation:
A. Greenbaum, V. L. Druskin, L. A. Knizhnerman, “On solving indefinite symmetric linear systems by means of the Lanczos method”, Zh. Vychisl. Mat. Mat. Fiz., 39:3 (1999), 371–377; Comput. Math. Math. Phys., 39:3 (1999), 350–356
Linking options:
https://www.mathnet.ru/eng/zvmmf1712 https://www.mathnet.ru/eng/zvmmf/v39/i3/p371
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Abstract page: | 272 | Full-text PDF : | 179 | References: | 46 | First page: | 1 |
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