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math.OC2016
Proximal primal-dual best approximation algorithm with memory
Ewa M. Bednarczuk, Anna Jezierska, Krzysztof E. Rutkowski
We propose a new modified primal-dual proximal best approximation method for solving convex not necessarily differentiable optimization problems. The novelty of the method relies o…
math.OC2016
Closed-form expressions for projectors onto polyhedral sets in Hilbert spaces
Krzysztof E. Rutkowski
We provide formulas for projectors onto a polyhedral set, i.e. the intersection of a finite number of halfspaces. To this aim we formulate the problem of finding the projection as…