Search Results for author: Adrian Jarret

Found 4 papers, 3 papers with code

A Decoupled Approach for Composite Sparse-plus-Smooth Penalized Optimization

1 code implementation8 Mar 2024 Adrian Jarret, Valérie Costa, Julien Fageot

Consequently, we identify that solving the optimization problem can be decoupled, first identifying the sparse solution as a solution of a modified single-variable problem, then deducing the smooth component.

Une version polyatomique de l'algorithme Frank-Wolfe pour résoudre le problème LASSO en grandes dimensions

no code implementations28 Apr 2022 Adrian Jarret, Matthieu Simeoni, Julien Fageot

Nous d\'emontrons sa sup\'eriorit\'e par rapport aux m\'ethodes proximales dans des situations en grande dimension avec des mesures de Fourier, lors de la r\'esolution de probl\`emes simul\'es inspir\'es de la radio-interf\'erom\'etrie.

Astronomy Radio Interferometry

A Fast and Scalable Polyatomic Frank-Wolfe Algorithm for the LASSO

1 code implementation6 Dec 2021 Adrian Jarret, Julien Fageot, Matthieu Simeoni

We propose a fast and scalable Polyatomic Frank-Wolfe (P-FW) algorithm for the resolution of high-dimensional LASSO regression problems.

Efficient Exploration

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