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Warped geometric information on the optimisation of Euclidean functions
March 20, 2024, 4:43 a.m. | Marcelo Hartmann, Bernardo Williams, Hanlin Yu, Mark Girolami, Alessandro Barp, Arto Klami
cs.LG updates on arXiv.org arxiv.org
Abstract: We consider the fundamental task of optimising a real-valued function defined in a potentially high-dimensional Euclidean space, such as the loss function in many machine-learning tasks or the logarithm of the probability distribution in statistical inference. We use Riemannian geometry notions to redefine the optimisation problem of a function on the Euclidean space to a Riemannian manifold with a warped metric, and then find the function's optimum along this manifold. The warped metric chosen for …
abstract arxiv cs.lg distribution function functions geometry inference information logarithm loss machine optimisation probability space statistical stat.ml tasks type
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