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Numerical linear algebra / Matrices / Linear filters / Limited-memory BFGS / Quasi-Newton method / Estimation theory / BFGS method / Preconditioner / Lanczos algorithm / Algebra / Mathematics / Linear algebra


Improved analysis-error covariance matrix for high-dimensional variational inversions: application to source estimation using a 3D atmospheric transport model
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Document Date: 2015-04-29 17:50:25

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File Size: 3,96 MB

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City

Pasadena / /

Company

Dell / randomization LC / Pearson / USA Jet Propulsion Laboratory / /

Country

United States / Canada / /

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Facility

Orbiting Carbon Observatory / University of Toronto / Wiley Online Library / California Institute of Technology / University of California / University of Colorado / /

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by-product / incremental 4Dof large systems / vector products / forward model operator / minimization algorithms / search direction / gradient-based minimization algorithms / trace-gas variational inversion / dimensional systems / deterministic algorithms / Potential applications / element-wise products / recursion algorithm / conjugate gradient algorithms / vector product / minimization algorithm / Online Library / linear operator / line-search direction / numerical algorithms / observational operator / gradient minimization algorithms / /

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California Institute of Technology / Department of Physics / Department of Mechanical Engineering / Central Intelligence Agency / Royal Meteorological Society / University of Colorado / Boulder / University of California / Los Angeles / National Aeronautics and Space Administration / NASA Global Modeling Assimilation Office / University of Toronto / /

Person

Lemar / Ai / N. Bousserez / /

Position

3D atmospheric transport model / Fisher / /

ProgrammingLanguage

R / /

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Pennsylvania / California / Colorado / Ontario / /

Technology

Lanczos algorithm / Principle The BFGS algorithm / BFGS minimization algorithm / minimization algorithms / CG algorithm / previous BFGS algorithms / conjugate gradient algorithms / gradient minimization algorithms / BFGS algorithms / proposed algorithms / LAST DIAG algorithm / quasi-Newton algorithm / two-loop recursion algorithm / geophysics / gradient-based minimization algorithms / existing BFGS algorithms / BFGS algorithm / simulation / generated using a quasi-Newton algorithm / /

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