Abstract
A scenario-based decomposition algorithm is proposed for large stochastic pro-grams. The subproblem clusters consisting of separable quadratic programs are solved by means of a nonlinear interior point algorithm. Critical implementation issues are analyzed, including restarting and alternative splitting strategies. The approach is suited to a distributed multicomputer such as a network of workstations. Testing with several large LPs (117,000 constraints and 276,000 variables) shows the efficiency of the concepts.
Supported in part by the National Science Foundation CCR-9102660 and U.S.Air Force AFOSR-91-0359. Also acknowledgement are Scientific Conputing Associates who supplied the network-Linda sorfware.
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© 1994 Kluwer Academic Publishers
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Berger, A.J., Mulvey, J.M., RuszczyĆski, A. (1994). Restarting Strategies for the DQA Algorithm. In: Hager, W.W., Hearn, D.W., Pardalos, P.M. (eds) Large Scale Optimization. Springer, Boston, MA. https://doi.org/10.1007/978-1-4613-3632-7_1
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DOI: https://doi.org/10.1007/978-1-4613-3632-7_1
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