Search Results for author: University Edinburgh

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Randomized Block Cubic Newton Method

no code implementations ICML 2018 Nikita Doikov, Peter Richtarik, University Edinburgh

To this effect we propose and analyze a randomized block cubic Newton (RBCN) method, which in each iteration builds a model of the objective function formed as the sum of the natural models of its three components: a linear model with a quadratic regularizer for the differentiable term, a quadratic model with a cubic regularizer for the twice differentiable term, and perfect (proximal) model for the nonsmooth term.

regression

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