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Lawler's algorithm : ウィキペディア英語版 | Lawler's algorithm Lawler’s algorithm is a powerful technique for solving a variety of constrained scheduling problems.〔Steven Nahmias. Production and Operations Analysis. 2008. ISBN 978-0-07-126370-2〕 The algorithm handles any precedence constraints. It schedules a set of simultaneously arriving tasks on one processor with precedence constraints to minimize maximum tardiness or lateness. Precedence constraints occur when certain jobs must be completed before other jobs can be started. ==Objective Functions== The objective function is assumed to be in the form , where is any nondecreasing function and is the flow time.〔Joseph Y-T. Leung. Handbook of scheduling: algorithms, models, and performance analysis. 2004. ISBN 978-1-58488-397-5〕 When , the objective function corresponds to minimizing the maximum lateness, where is due time for job and lateness of job . Another expression is , which corresponds to minimizing the maximum tardiness.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Lawler's algorithm」の詳細全文を読む
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