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IOE/MFG 543

IOE/MFG 543

IOE/MFG 543. Chapter 3: Single machine models (Sections 3.1 and 3.2). Sec. 3.1: The total weighted completion time 1|| S w j C j. Criteria for scheduling Shorter jobs processed first => more jobs finish early The higher the weight the earlier a job should finish

By leora
(139 views)

Introduction

Introduction

Introduction. Chapter 1 Elements of Sequencing and Scheduling by Kenneth R. Baker Byung-Hyun Ha. Outline. Schedule and scheduling Example of Scheduling Mathematical models Categorization and description Solution to scheduling problem Algorithms and time complexity.

By maverick
(108 views)

CMSC 722, AI Planning Planning and Scheduling

CMSC 722, AI Planning Planning and Scheduling

CMSC 722, AI Planning Planning and Scheduling. Dana S. Nau University of Maryland Fall 2009. Scheduling. Given: actions to perform set of resources to use time constraints e.g., the ones computed by the algorithms in Chapter 14 Objective: allocate times and resources to the actions

By saskia
(174 views)

Introduction  Operations  Scheduling

Introduction Operations Scheduling

Introduction Operations Scheduling. 1. Setting up the Scheduling Problem 2. Single Machine Problems 3. Solving Scheduling Problems. Program. Acknowledgement.

By michaelvthomas
(8 views)


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Minimizing weighted completion time with precedence constraints

Minimizing weighted completion time with precedence constraints

Minimizing weighted completion time with precedence constraints. Nikhil Bansal (IBM) Subhash Khot (NYU). The Problem. Given n jobs, arbitrary weights and sizes (job j: wt. w j , size p j ) Precedence constraints: DAG (edge (i,j) implies j cannot started before i finishes)

By ona (128 views)

Completion Time Scheduling

Completion Time Scheduling

Completion Time Scheduling. Notes from Hall, Schulz, Shmoys and Wein, Mathematics of Operations Research, Vol 22, 513-544, 1997. One LP formulation for 1||Σw j C j. Other ways to bound C j. Smith’s rule: Scheduling jobs by w j /p j is guaranteed to be optimal. w j. p j.

By paley (96 views)

On Scheduling with Non -increasing Time Slot Cost to Minimize Total Weighted Completion Time

On Scheduling with Non -increasing Time Slot Cost to Minimize Total Weighted Completion Time

On Scheduling with Non -increasing Time Slot Cost to Minimize Total Weighted Completion Time. Yingchao ZHAO, Caritas Institute of Higher Education Xiangtong QI, HKUST Minming LI , City University of Hong Kong. History. Traditional scheduling objective minimizing makespan

By kimball (94 views)

Minimizing Weighted Flow Time

Minimizing Weighted Flow Time

Minimizing Weighted Flow Time. Nikhil Bansal (CMU) Kedar Dhamdhere (CMU). Scheduling. What the heck is flowtime 1|r_j | pmtn | W_j F_j. Single Machine (with preemptions) Jobs arrive at different times Different sizes (service requirements). Keep users happy, some measure.

By declan (73 views)

Minimizing Total Completion Time

Minimizing Total Completion Time

Each job specified by procesing time (length p j ) release time r j Goal: compute a schedule (preemptive or not) that maximizes the total completion time. all integer. Minimizing Total Completion Time. C j = completion time of j in a given schedule In Graham’s notation:

By rhonda-holden (82 views)

The time weighted rate of return

The time weighted rate of return

The time weighted rate of return. The portfolio received two cash flows during month t: a contribution of EUR 30.000 on day 5 a contribution of 20.000 on day 16.

By tawny (236 views)

FAR DETECTOR : 97.2% live time (pot weighted)

FAR DETECTOR : 97.2% live time (pot weighted)

FAR DETECTOR : 97.2% live time (pot weighted) The was a power outage at the Soudan mine on Sunday morning A fuse on level 12 blew at around 9AM FD was down for about 4hr NEAR DETECTOR : 99.5% live time (pot weighted)

By davis-middleton (109 views)

COMPLETION

COMPLETION

COMPLETION. Accounting Cycle - joemargarciacunanan. WORKSHEET. The 10 column Worksheet. The worksheet is a columnar device to facilitate the preparation of the financial statements by making it easier to transfer data from the trial balance to the financial statements.

By vicki (123 views)

Approximation Techniques for Average Completion Time Scheduling

Approximation Techniques for Average Completion Time Scheduling

Approximation Techniques for Average Completion Time Scheduling. 報告人 : 羅習五 , 魏仲佑 , 陳雅淑 , 姜柏任 , 陳建佳 時間 :June 6, 2002, Thursday, 4pm 地點 :, IIS, Sinica, Room 724). 目標:. 介紹所有待會用到的演算法基礎 說明與內容息息相關的相關研究 因為時間關係 , 不詳細說明相關研究的成果 希望能讓大家先以直關的方式去思考這些演算法. Introduction.

By kaemon (85 views)

A Study on Completion Rates and Time to Completion of Graduate Students

A Study on Completion Rates and Time to Completion of Graduate Students

A Study on Completion Rates and Time to Completion of Graduate Students. Methodology Adopted by the G10 Data Exchange. Background. Started in 2001 at the request of the G10 Presidents G10DE consortium Provide statistics for benchmarking & long term planning

By yin (93 views)