Papers › Adaptive Gradient Descent for Convex and Non-Convex Stochastic Optimization

Adaptive Gradient Descent for Convex and Non-Convex Stochastic Optimization

19 Nov 2019arXiv:1911.08380links table onlyarchive 2025-07-28

Darina Dvinskikh, Aleksandr Ogaltsov, Alexander Gasnikov, Pavel Dvurechensky, Alexander Tyurin, Vladimir Spokoiny

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In this paper we propose several adaptive gradient methods for stochastic optimization. Unlike AdaGrad-type of methods, our algorithms are based on Armijo-type line search and they simultaneously adapt to the unknown Lipschitz constant of the gradient and variance of the stochastic approximation for the gradient. We consider an accelerated and non-accelerated gradient descent for convex problems and gradient descent for non-convex problems. In the experiments we demonstrate superiority of our methods to existing adaptive methods, e.g. AdaGrad and Adam.

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