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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Putnam–Norden–Rayleigh curve ： ウィキペディア英語版 Putnam–Norden–Rayleigh curve In the study of software project scheduling, the Putnam–Norden–Rayleigh curve, also known as the PNR curve, is an equation specifying the relationship between applied effort and delivery time for a software project. A PNR curve can be used to determine the least cost time for delivery $t\_o$ up to the limit $t\_$, the absolute minimal amount of time required to complete the project no matter how many human resources are added. The PNR curve was used to derive the Software equation. ==Equation== The following equation shows the relationship of project effort as a function of project delivery time. :$E\_a=m\; \backslash left\; (\; \backslash frac^4\}^4\}\backslash right\; )$ Where *$E\_a$=Effort in person months *$t\_d$=The nominal delivery time for the schedule *$t\_a$=Actual delivery time desired 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「Putnam–Norden–Rayleigh curve」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.