Reduced-space inverse Hessian for analysis error covariances in variational data assimilation

DOI10.1515/RJNAMM.2010.011zbMath1191.65077OpenAlexW1988665016MaRDI QIDQ3558745

Igor Yu. Gejadze, Victor P. Shutyaev, François-Xavier Le Dimet

Publication date: 6 May 2010

Published in: Russian Journal of Numerical Analysis and Mathematical Modelling (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1515/rjnamm.2010.011

zbMATH Keywords

preconditioningoptimal control problemvariational data assimilationnumerical algorithminput datanonlinear evolution modelinitial condition functionerror covariance operatorreduced-space inverse Hessian

Mathematics Subject Classification ID

Numerical optimization and variational techniques (65K10) Existence theories for optimal control problems involving partial differential equations (49J20) Discrete approximations in optimal control (49M25)

Uses Software

• TAPENADE

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