abstract: this paper considers the problem of scheduling n jobs on m unrelated parallel machines with sequence-dependent setup times. to better comply with industrial situations, jobs have varying due dates and ready times and there are some precedence relations between them. furthermore sequence-dependent setup times and anticipatory setups are included in the proposed model. the objective is ...

Image segmentation is a crucial step in the image processing and analysis process. process of splitting one into many segments. divides images segments that are more representative easier to examine. Individual surfaces or items can be used as such pieces. The locate objects their boundaries.Genetic algorithms stochastic search methods, work which taken from genetic laws, natural selection, evo...

semiarid regions with their exceptional weather conditions, low precipitation, and high evapotranspiration pose a great challenge to water resources managers. one possible way to face this challenge is the conjunctive use of both surface water and groundwater resources in these regions. this paper proposes a conjunctive use model which has been implemented in najafabad plain in central iran. th...