| edoc-Server der Humboldt-Universität zu Berlin |
| Author(s): |
Yu. Nesterov, CORE, Catholic University of Louvain, Louvain-la-Neuve J.-Ph. Vial, HEC, University of Geneva, Geneva | Title: | Confidence level solutions for stochastic programming |
| Date of Acceptance: | 07.04.2000 |
| Submission Date: | 14.02.2000 |
| Series Title: |
Stochastic Programming E-Print Series (SPEPS) |
| Editors: | Julie L. Higle; Werner Römisch; Surrajeet Sen |
| Complete Preprint: | pdf (urn:nbn:de:kobv:11-10057628) |
| Keywords (eng): | Stochastic programming, Stochastic subgradient, Complexity estimate |
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| We propose an alternative approach to stochastic programming based on Monte-Carlo sampling and stochastic gradient optimization. The procedure is by essence probabilistic and the computed solution is a random variable. The associated objective value is doubly random, since it depends on two outcomes: the event in the stochastic program and the randomized algorithm. We propose a solution concept in which the probability that the randomized algorithm produces a solution with an expected objective value departing from the optimal one by more than $\epsilon$ is small enough. We derive complexity bounds for this process. We show that by repeating the basic process on independent sample, one can significantly sharpen the complexity bounds. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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