Search Results for author: Alexandre Scotto Di Perrotolo

Found 2 papers, 0 papers with code

A general error analysis for randomized low-rank approximation with application to data assimilation

no code implementations8 May 2024 Alexandre Scotto Di Perrotolo, Youssef Diouane, Selime Gürol, Xavier Vasseur

However, despite the large variety of algorithms, the existing theoretical frameworks for their analysis rely on a specific structure for the covariance matrix that is not adapted to all the algorithms.

TREGO: a Trust-Region Framework for Efficient Global Optimization

no code implementations18 Jan 2021 Youssef Diouane, Victor Picheny, Rodolphe Le Riche, Alexandre Scotto Di Perrotolo

By following a classical scheme for the trust region (based on a sufficient decrease condition), the proposed algorithm enjoys global convergence properties, while departing from EGO only for a subset of optimization steps.

Bayesian Optimization

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