On the Evaluation Complexity of Composite Function Minimization with Applications to Nonconvex Nonlinear Programming.

We estimate the worst-case complexity of minimizing an unconstrained, nonconvex composite objective with a structured nonsmooth term by means of some first-order methods. We find that it is unaffected by the nonsmoothness of the objective in that a first-order trust-region or quadratic regularizatio...

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Hlavní autoři: Cartis, C, Gould, N, Toint, P
Médium: Journal article
Jazyk:English
Vydáno: 2011