Preconditioning of variational data assimilation and the use of a bi-conjugate gradient method

Record Type
Journal Articles
Full Title
Preconditioning of variational data assimilation and the use of a bi-conjugate gradient method
Author(s)
El Akkraoui A, Tremolet Y, Todling R
Publication Title
QUARTERLY JOURNAL OF THE ROYAL METEOROLOGICAL SOCIETY
Publication Title (abbreviated)
Q J ROY METEOR SOC
Publication Date
2013 Apr
DOI
10.1002/qj.1997
ISSN
0035-9009
Volume
139
Issue
672
Page Count
11
First Page
731
Last Page
741
Keyword(s)
Meteorology & Atmospheric Sciences, minimization algorithms, Lanczos method, 4D-Var, GSI, preconditioned Conjugate Gradient methods, ECMWF OPERATIONAL IMPLEMENTATION, NONSYMMETRIC LINEAR-SYSTEMS, METEOROLOGICAL OBSERVATIONS, 4D-VAR, MODEL, CONVERGENCE, SCHEME, COVARIANCES, ALGORITHMS, EQUATIONS
Citation
El Akkraoui A, Tremolet Y, Todling R. Preconditioning of variational data assimilation and the use of a bi-conjugate gradient method. Q J ROY METEOR SOC. 2013;139 (672):731-741.
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