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A Projected Subgradient Method for Nonsmooth Problems

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Book cover Numerical Optimization with Computational Errors

Part of the book series: Springer Optimization and Its Applications ((SOIA,volume 108))

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Abstract

In this chapter we study the convergence of the projected subgradient method for a class of constrained optimization problems in a Hilbert space. For this class of problems, an objective function is assumed to be convex but a set of admissible points is not necessarily convex. Our goal is to obtain an ε-approximate solution in the presence of computational errors, where ε is a given positive number.

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References

  1. Zaslavski AJ (2010) The projected subgradient method for nonsmooth convex optimization in the presence of computational errors. Numer Funct Anal Optim 31:616–633

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Zaslavski, A.J. (2016). A Projected Subgradient Method for Nonsmooth Problems. In: Numerical Optimization with Computational Errors. Springer Optimization and Its Applications, vol 108. Springer, Cham. https://doi.org/10.1007/978-3-319-30921-7_8

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