Numerical implementation of the QMR algorithm by using discrete stochastic arithmetic

In each step of the quasi-minimal residual (QMR) method which uses a look-ahead variant of the nonsymmetric Lanczos process to generate basis vectors for the Krylov subspaces induced byA, it is necessary to decide whether to construct the Lanczos vectorsvn+1 andwn+1 as regular or inner vectors. For...

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Vydané v:	Journal of applied mathematics & computing Ročník 17; číslo 1-2; s. 457 - 473
Hlavní autori:	Toutounian, Faezeh, Salkuyeh, Davod Khojasteh, Asadi, Bahram
Médium:	Journal Article
Jazyk:	English
Vydavateľské údaje:	Dordrecht Springer Nature B.V 01.03.2005
Predmet:	Algorithms Applied mathematics Arithmetic Computation Floating point arithmetic Mathematical analysis Mathematical models Stochastic models Stochasticity Studies Subspaces Tolerances Vectors (mathematics)
ISSN:	1598-5865, 1865-2085
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