نتایج جستجو برای: number of tardy job
تعداد نتایج: 21185948 فیلتر نتایج به سال:
یک k رنگ آمیزی گراف g را رنگ آمیزی پویا می نامند, اگر در همسایه های هر رأس آن با حداقل درجه دو, حداقل 2 رنگ متفاوت ظاهر شوند. کوچکترین عدد صحیح k را به طوری کهg دارای یک k-رنگ آمیزی پویا باشد, عدد رنگی پویای g می نامند. در این پایان نامه به بررسی مفهوم رنگ آمیزی پویا, عدد رنگی پویای برخی گراف های خاص و کران بالای عدد رنگی پویا که در مقاله lai, h. j.,b. montgomery, h. poon, (2003), upper bounds ...
the main purpose of this study was to investigate any relationship between high school efl teachers metaphorical understandings of their role in class and their self-efficacy beliefs. teachers metaphors were elicited through two different prompts: one picturing what they believed a language teacher should be like in class, and the other demonstrating what they are actually like in class; such...
In this paper we study the classical single machine scheduling problem where the objective is to minimize the weighted number of tardy jobs. Our analysis focuses on the case where one or more of three natural parameters is either constant or is taken as a parameter in the sense of parameterized complexity. These three parameters are the number of different due dates, processing times, and weigh...
to discuss my point, i have collected quite a number of articles, anthologies, and books about "wuthering heights" applying various ideas and theories to this fantastic story. hence, i have come to believe that gadamer and jauss are rightful when they claim that "the individaul human mind is the center and origin of all meaning," 3 that reading literature is a reader-oriented activity, that it ...
although there are studies on pragmatic assessment, to date, literature has been almost silent about native and non-native english raters’ criteria for the assessment of efl learners’ pragmatic performance. focusing on this topic, this study pursued four purposes. the first one was to find criteria for rating the speech acts of apology and refusal in l2 by native and non-native english teachers...
a large number of single research studies on the effects of strategy-based instruction (sbi) in teaching english as a foreign or second language has been conducted so far. however, the lack of a comprehensive meta-analysis targeting the effectiveness of english language sbi is observed. moreover, the findings of experimental studies regarding the context of the english language, proficiency lev...
Focusing on the just-in-time (JIT) operations management, earliness as well as, tardiness of jobs’ production and delivery should be discouraged. In accordance to this philosophy, scheduling problems involving earliness and tardiness penalties are very critical for the operations manager. In this paper, a new population heuristic based on the particle swarm optimization (PSO) technique is prese...
Performance Assessment of Feasible Scheduling Multiprocessor Tasks Solutions by using DEA FDH method
Abstract: In this paper, an attempt has been made to investigate how DEA FDH method based on linear programming can select one or more efficient scheduling solutions on multiprocessor tasks obtained by any heuristic algorithms through some feasible solutions for NP-complete problems. This article will consider the problem of scheduling multiprocessor tasks with multi–criteria, namely, minimizin...
In this paper we consider the bicriteria problem of scheduling n jobs on two parallel machines to minimize the primary criterion of maximum tardiness (1 .!9 ) and the secondary criterion of number of tardy jobs (NT). Algorithms are developed to optimize each of these criteria. Some properties on which the 1 .!9 algorithm is based are developed. Computational experience with the algorithms is al...
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