Search Results - subject:"linear Programming"

Performance of the Equivalent Reservoir Modelling Technique for Multi-Reservoir Hydropower Systems

Brandão, Joao - In: Water Resources Management 24 (2010) 12, pp. 3101-3114

package for solution of the non-linear programming problems. A comparison between total optimized power generation over the …

Persistent link: https://www.econbiz.de/10010997330

Simulation–Optimization Modeling: A Survey and Potential Application in Reservoir Systems Operation

Rani, Deepti; Moreira, Maria - In: Water Resources Management 24 (2010) 6, pp. 1107-1138

This paper presents a survey of simulation and optimization modeling approaches used in reservoir systems operation problems. Optimization methods have been proved of much importance when used with simulation modeling and the two approaches when combined give the best results. The main objective...

Persistent link: https://www.econbiz.de/10010997525

Integrated design and evaluation of biomass energy system taking into consideration demand side characteristics

Ren, Hongbo; Zhou, Weisheng; Nakagami, Ken'ichi; Gao, Weijun - In: Energy 35 (2010) 5, pp. 2210-2222

In this paper, a linear programming model has been developed for the design and evaluation of biomass energy system …

Persistent link: https://www.econbiz.de/10010809428

Multiobjective Multireservoir Operation in Fuzzy Environment

Choudhari, Sumant; Raj, P. Anand - In: Water Resources Management 24 (2010) 10, pp. 2057-2073

theory where these kinds of uncertainties have major role. In this study, the fuzzy linear programming method is used to get …

Persistent link: https://www.econbiz.de/10010794674

On describing the routing capacity regions of networks

Kakhbod, Ali; Yazdi, S. Tabatabaei - In: Computational Statistics 72 (2010) 1, pp. 95-106

The routing capacity region of networks with multiple unicast sessions can be characterized using Farkas lemma as an infinite set of linear inequalities. In this paper this result is sharpened by exploiting properties of the solution satisfied by each rate-tuple on the boundary of the capacity...

Persistent link: https://www.econbiz.de/10010759144

On describing the routing capacity regions of networks

Kakhbod, Ali; Yazdi, S. Tabatabaei - In: Mathematical Methods of Operations Research 72 (2010) 1, pp. 95-106

Persistent link: https://www.econbiz.de/10010949940

Sensitivity analysis and optimal ultimately stationary deterministic policies in some constrained discounted cost models

Iyer, Krishnamurthy; Hemachandra, Nandyala - In: Mathematical Methods of Operations Research 71 (2010) 3, pp. 401-425

We consider a discrete time Markov Decision Process (MDP) under the discounted payoff criterion in the presence of additional discounted cost constraints. We study the sensitivity of optimal Stationary Randomized (SR) policies in this setting with respect to the upper bound on the discounted...

Persistent link: https://www.econbiz.de/10010949954

Hybrid Genetic Algorithm and Linear Programming Method for Least-Cost Design of Water Distribution Systems

Cisty, Milan - In: Water Resources Management 24 (2010) 1, pp. 1-24

this problem. The paper proposes a combined genetic algorithm (GA) and linear programming (LP) method, named GALP for … stable in terms of closeness to a global minimum. The main idea is that linear programming is more dependable than heuristic … the proposed algorithm for decomposing a complex looped network into a group of branched networks. Linear programming is …

Persistent link: https://www.econbiz.de/10010847311

Sensitivity analysis and optimal ultimately stationary deterministic policies in some constrained discounted cost models

Iyer, Krishnamurthy; Hemachandra, Nandyala - In: Computational Statistics 71 (2010) 3, pp. 401-425

Persistent link: https://www.econbiz.de/10010847518

Swedish employment offices: A new model for evaluating effectiveness

Althin, Rikard; Behrenz, Lars; Färe, Rolf; Grosskopf, … - In: European Journal of Operational Research 207 (2010) 3, pp. 1535-1544

We measure how well Swedish employment offices perform in delivering the services required of them by the Swedish government. In contrast to earlier studies we use a dynamic efficiency framework, which allows us to better model the intertemporal nature of these services, explicitly allowing for...

Persistent link: https://www.econbiz.de/10008865191