A generalized Douglas-Rachford splitting algorithm for nonconvex optimization
arxiv(2019)
摘要
In this paper, we propose a generalized Douglas-Rachford splitting method for a class of nonconvex optimization problem. A new merit function is constructed to establish the convergence of the whole sequence generated by the generalized Douglas-Rachford splitting method. We then apply the generalized Douglas-Rachford splitting method to two important classes of nonconvex optimization problems arising in data science: low rank matrix completion and logistic regression. Numerical results validate the effectiveness of our generalized Douglas-Rachford splitting method compared with some other classical methods.
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