no code implementations • 20 Apr 2023 • Tommaso Bendinelli, Luca Biggio, Pierre-Alexandre Kamienny
In symbolic regression, the goal is to find an analytical expression that accurately fits experimental data with the minimal use of mathematical symbols such as operators, variables, and constants.
no code implementations • 22 Feb 2023 • Pierre-Alexandre Kamienny, Guillaume Lample, Sylvain Lamprier, Marco Virgolin
Symbolic regression (SR) is the problem of learning a symbolic expression from numerical data.
3 code implementations • 22 Apr 2022 • Pierre-Alexandre Kamienny, Stéphane d'Ascoli, Guillaume Lample, François Charton
Symbolic regression, the task of predicting the mathematical expression of a function from the observation of its values, is a difficult task which usually involves a two-step procedure: predicting the "skeleton" of the expression up to the choice of numerical constants, then fitting the constants by optimizing a non-convex loss function.
no code implementations • 12 Jan 2022 • Stéphane d'Ascoli, Pierre-Alexandre Kamienny, Guillaume Lample, François Charton
Symbolic regression, i. e. predicting a function from the observation of its values, is well-known to be a challenging task.
1 code implementation • ICML Workshop URL 2021 • Pierre-Alexandre Kamienny, Jean Tarbouriech, Sylvain Lamprier, Alessandro Lazaric, Ludovic Denoyer
Learning meaningful behaviors in the absence of reward is a difficult problem in reinforcement learning.
1 code implementation • 15 Oct 2021 • Ludovic Denoyer, Alfredo De la Fuente, Song Duong, Jean-Baptiste Gaya, Pierre-Alexandre Kamienny, Daniel H. Thompson
SaLinA is a simple library that makes implementing complex sequential learning models easy, including reinforcement learning algorithms.
no code implementations • 1 Jan 2021 • Pierre-Alexandre Kamienny, Matteo Pirotta, Alessandro Lazaric, Thibault Lavril, Nicolas Usunier, Ludovic Denoyer
Meta-reinforcement learning aims at finding a policy able to generalize to new environments.
no code implementations • 19 May 2020 • Pierre-Alexandre Kamienny, Kai Arulkumaran, Feryal Behbahani, Wendelin Boehmer, Shimon Whiteson
Using privileged information during training can improve the sample efficiency and performance of machine learning systems.
1 code implementation • 6 May 2020 • Pierre-Alexandre Kamienny, Matteo Pirotta, Alessandro Lazaric, Thibault Lavril, Nicolas Usunier, Ludovic Denoyer
We test the performance of our algorithm in a variety of environments where tasks may vary within each episode.
3 code implementations • NeurIPS 2021 • Bei Peng, Tabish Rashid, Christian A. Schroeder de Witt, Pierre-Alexandre Kamienny, Philip H. S. Torr, Wendelin Böhmer, Shimon Whiteson
We propose FACtored Multi-Agent Centralised policy gradients (FACMAC), a new method for cooperative multi-agent reinforcement learning in both discrete and continuous action spaces.