Abstract
We present a trust-region method for minimizing a general differentiable function restricted to an arbitrary closed set. We prove a global convergence theorem. The trust-region method defines difficult subproblems that are solvable in some particular cases. We analyze in detail the case where the domain is a Euclidean ball. For this case we present numerical experiments where we consider different Hessian approximations.
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Work partially supported by FAPESP (Grants 90-3724-6 and 91-2441-3), FINEP, CNPq and FAEP-UNICAMP.
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Martínez, J.M., Santos, S.A. A trust-region strategy for minimization on arbitrary domains. Mathematical Programming 68, 267–301 (1995). https://doi.org/10.1007/BF01585768
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DOI: https://doi.org/10.1007/BF01585768