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Operations, Maintenance, and Replacement 10-year plan, 1990-1999 : 1989 Utility OM&R Comparison : A Comparison of BPA (Bonneville Power Administration) and Selected Utility Transmission, Operations and Maintenance Costs.

United States. Bonneville Power Administration. - 2009

For the past several years, competing resource demands within BPA have forced the Agency to stretch Operations, Maintenance and Replacement (OM R) resources. There is a large accumulation of tasks that were not accomplished when scheduled. Maintenance and replacements and outages, due to...

Persistent link: https://www.econbiz.de/10009435742

Constrained blackbox optimization: The SEARCH perspective

Hanagandi, V.; Kargupta, H.; Buescher, K. - 2009

Search and optimization in the context of blackbox objective function evaluation subject to blackbox constraints … Kargupta (1995) offered an alternate perspective of blackbox optimization in terms of relations, classes, and partial ordering …. The primary motivation comes from the observation that sampling in blackbox optimization is essentially an inductive …

Persistent link: https://www.econbiz.de/10009436440

SEARCH, blackbox optimization, and sample complexity

Kargupta, H.; Goldberg, D.E. - 2009

; Kargupta and Goldberg, 1995) offered an alternate perspective toward blackbox optimization -- optimization in presence of … applicable to any blackbox search algorithms, including evolutionary optimization techniques. …

Persistent link: https://www.econbiz.de/10009436441

Global Quadratic Optimization Via Conic Relaxation.

Nesterov, Y. - Center for Operations Research and Econometrics (CORE), … - 1998

We present a convex conic relaxation for a problem of maximising an indefinite quadratic form over a set of convex constraints on the squared variables. We show that for all these problems we get at least 12/37 relative accuracy of the approximation. In the second part of the paper we derive the...

Persistent link: https://www.econbiz.de/10005779408