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Parametric complexity analysis for a class of first-order Adagrad-like algorithms
Serge Gratton
,
SADOK JERAD
,
Philippe L. Toint
2022
Preprints, Working Papers, ...
hal-03718810v1
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Low rank updates in preconditioning the saddle point systems arising from data assimilation problems
Matthew C. Fisher
,
Serge Gratton
,
Selime Gurol
,
Y. Trémolet
,
Xavier Vasseur
et al.
Journal articles
hal-03612700v1
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Hybrid Levenberg-Marquardt and weak constraint ensemble Kalman smoother method, Nonlinear Processes in Geophysics
Jan Mandel
,
El Houcine Bergou
,
Selime Gurol
,
Serge Gratton
Journal articles
hal-03165022v1
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Quasi-Newton updates with weighted secant equations
Serge Gratton
,
Vincent Malmedy
,
Philippe Toint
Journal articles
hal-02147968v1
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An Iterative Ensemble Kalman Smoother in Presence of Additive Model Error
Anthony Fillion
,
Marc Bocquet
,
Serge Gratton
,
Selime Gürol
,
Pavel Sakov
et al.
Journal articles
hal-02943255v1
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On the convergence of a non-linear ensemble Kalman smoother
El Houcine Bergou
,
Serge Gratton
,
Jan Mandel
Journal articles
hal-02618742v1
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A note on inexact inner products in GMRES
Serge Gratton
,
Ehouarn Simon
,
David Titley-Peloquin
,
Philippe Toint
SIAM Journal on Matrix Analysis and Applications, 2022, 43 (3)
Journal articles
hal-03637231v1
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Guaranteeing the convergence of the saddle formulation for weakly constrained 4D‐Var data assimilation
Serge Gratton
,
Selime Gürol
,
Ehouarn Simon
,
Philippe Toint
Quarterly Journal of the Royal Meteorological Society, 2018, 144 (717), pp.2592-2602. ⟨10.1002/qj.3355⟩
Journal articles
hal-02959392v1
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Lp‐norm regularization approaches in variational data assimilation
Antoine Bernigaud
,
Serge Gratton
,
Flavia Lenti
,
Ehouarn Simon
,
Oumaima Sohab
et al.
Quarterly Journal of the Royal Meteorological Society, 2021, 147, pp.2067 - 2081. ⟨10.1002/qj.4010⟩
Journal articles
hal-03160275v1
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A new preconditioner update strategy for the solution of sequences of linear systems in structural mechanics: application to saddle point problems in elasticity
Sylvain Mercier
,
Serge Gratton
,
Nicolas Tardieu
,
Xavier Vasseur
Journal articles
hal-03612688v1
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On the use of the energy norm in trust-region and adaptive cubic regularization subproblems
El Houcine Bergou
,
Youssef Diouane
,
Serge Gratton
Journal articles
hal-01654736v1
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On the approximation of the solution of partial differential equations by artificial neural networks trained by a multilevel Levenberg-Marquardt method
Henri Calandra
,
Serge Gratton
,
Elisa Riccietti
,
Xavier Vasseur
Optimization Methods and Software, 2020
Journal articles
hal-02943228v1
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First-Order Objective-Function-Free Optimization Algorithms and Their Complexity
Serge Gratton
,
SADOK JERAD
,
Philippe L. Toint
2022
Preprints, Working Papers, ...
hal-03718811v1
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Enrichissement de préconditionneurs pour la résolution de systèmes linéaires symétriques indéfinis
Sylvain Mercier
,
Serge Gratton
,
Nicolas Tardieu
,
Xavier Vasseur
12e Colloque national en calcul des structures, CSMA, May 2015, Giens, France
Conference papers
hal-01515057v1
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Adversarial attacks via Sequential Quadratic Programming
Théo Beuzeville
,
Alfredo Buttari
,
Serge Gratton
,
Theo Mary
,
Erkan Ulker
et al.
2022
Preprints, Working Papers, ...
hal-03752184v1
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Globally convergent evolution strategies for constrained optimization
Youssef Diouane
,
Serge Gratton
,
L. Nunes Vicente
Journal articles
hal-01391788v1
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Sequential estimation of surface water mass changes from daily satellite gravimetry data
Guillaume Ramillien
,
Frank Frappart
,
Serge Gratton
,
Xavier Vasseur
Journal articles
hal-02181991v1
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Direct search based on probabilistic feasible descent for bound and linearly constrained problems
Serge Gratton
,
Clément Royer
,
Luís N. Vicente
,
Zaikun Zhang
Journal articles
hal-02774086v1
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Complexity and global rates of trust-region methods based on probabilistic mode
Serge Gratton
,
Clément Royer
,
Luis Vicente
,
Zaikun Zhang
Journal articles
hal-02147973v1
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A Parallel Evolution Strategy for an Earth Imaging Problem in Geophysics
Youssef Diouane
,
Serge Gratton
,
Xavier Vasseur
,
L. Nunes Vicente
,
Henri Calandra
et al.
Journal articles
hal-01396146v1
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Modelling spatially correlated observation errors in variational data assimilation using a diffusion operator on an unstructured mesh
Oliver Guillet
,
Anthony Weaver
,
Xavier Vasseur
,
Yann Michel
,
Serge Gratton
et al.
Quarterly Journal of the Royal Meteorological Society, 2019, pp.1-21. ⟨10.1002/qj.3537⟩
Journal articles
hal-02160404v1
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Planck intermediate results
Yashar Akrami
,
M. Ashdown
,
J. Aumont
,
C. Baccigalupi
,
M. Ballardini
et al.
Journal articles
cea-03065753v1
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Efficient computation of condition estimates for linear least squares problems
Marc Baboulin
,
Serge Gratton
,
Rémi Lacroix
,
Alan J. Laub
[Research Report] RR-8065, INRIA. 2012, pp.15
Reports
hal-00731136v2
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Constrained Regional Recovery of Continental Water Mass Time-variations from GRACE-based Geopotential Anomalies over South America
Guillaume Ramillien
,
Lucia Seoane
,
Frédéric Frappart
,
Richard Biancale
,
Serge Gratton
et al.
Journal articles
hal-00743877v1
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On a second-order expansion of the truncated singular subspace decomposition
Serge Gratton
,
Jean Tshimanga Ilunga
Numerical Linear Algebra with Applications, 2016, 23 (3), pp.519--534
Journal articles
hal-03165023v1
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A merit function approach for direct search
Serge Gratton
,
Luis Vicente
Journal articles
hal-03519555v1
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A note on solving nonlinear optimization problems in variable precision
Serge Gratton
,
Ph L Toint
Computational Optimization and Applications, 2020, pp.1-15
Journal articles
hal-02943237v1
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Adversarial attacks via backward error analysis
Théo Beuzeville
,
Pierre Boudier
,
Alfredo Buttari
,
Serge Gratton
,
Théo Mary
et al.
2021
Preprints, Working Papers, ...
hal-03296180v3
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Stochastic conditionin g of matrix functions
Serge Gratton
,
David Titley-Peloquin
Journal articles
hal-02147970v1
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Conjugate-gradients versus multigrid solvers for diffusion-based correlation models in data assimilation
Serge Gratton
,
Philippe Toint
,
Jean Tshimanga Ilunga
Quarterly Journal of the Royal Meteorological Society, 2014, 139 (675), pp.1481--1487
Journal articles
hal-03224130v1
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