Operations Management

Tuesday, Jan. 21: Introduction to Linear Programming. Frame Production.

Thursday, Jan. 23: Using Excel for linear programming: Excel Worksheet

Assignment 1 (due Tuesday, Jan 23)

Problems 2, 3, and 4 (p. 20) from the coursepack.
For each problem provide an algebraic formulation and the solution by Excel's Solver.
Ignore point b) in problems 2 and 3, and the graphical procedure in problem 4.
Formulations
Spreadsheets

Tuesday, Jan. 29: Geometry of linear programs. The diet problem -- Telephone Survey (11, p.23): Excel Worksheet

Assignment 2 (due Tuesday, Feb 5)

Problems 1 (p.20), 22 (p. 34), 28 from the coursepack. Problem 28 starts on p.36 and is continued on p. 35; these pages are printed in a reverse order.
For each problem turn in: algebraic formulation, spreradsheet with values, spreadsheet with formulas. Make sure your printouts contain row and column headings in Excel.
Hint for problem 28
Formulations
Leary
Chemco
Limeco

Thursday, Jan. 31: Process Models Perfume (p.30): Excel Worksheet

Tuesday, Feb 5: Blending: juice , funds ,

Assignment 3 (due Tuesday, Feb 12)

Problems 15 (p. 51), 17 (p. 24), 18 (p. 25) from the coursepack.
For each problem provide an algebraic formulation and the solution by Excel's Solver.
Formulations
Oilco
Sailboats
Manufactco

Thursday, Feb. 7: Dynamic Planning. Example (p. 37): Excel Worksheet

Tuesday, Feb. 12: Financial Planning . Examples: Invest (p. 60)
problem 49 p. 68

Assignment 4 (due Tuesday, Feb 19)

Problems 44 (p. 66), 47 (p. 67), 1 (p. 87), 10 (p. 89). from the coursepack.
For each problem provide an algebraic formulation and the solution by Excel's Solver.
Note: In problem 47 Sonya takes cash out at the beginning (after the first sales and purchases of bonds). The cash taken out does not earn interest; she spends it on holidays. Her objective is to maximize this amount, but under the condition that her future cash position will never go negative. Formulations
Finco.xls , Sonya.xls . transportco.xls touche.xls

Thursday, Feb. 14: Network Models. Example: Consolidated Mining (p. 69)

Tuesday, Feb. 19: Network-Production Models. Example (p. 72): National Vehicular Seating

Assignment 5 (due Tuesday, Feb 26)

Problems 57 (p. 92), 20 (p. 104), 23 (p. 105). from the coursepack. Formulations

Thursday, Feb. 21: Project scheduling. Example: Project , Crash , Class spreadsheet

Midterm Exam is on Tuesday, March 4. See Study Guide (Word)

Thursday, Feb. 28: Introduction to integer programming. Examples: Stockco , Plane

Assignment 6 (due Tuesday, March 11)

Problems: 10 (p. 119), 14 (p. 115), 17 (p. 116) from the coursepack. Formulations
Budgeting , Assignment , Buses .

Thursday, Mar. 6: 0--1 Variable grids. Examples: Assignment , Simon Mall

Tuesday, Mar. 11: Set covering and set partitioning. Examples: Covering , Partitioning

Assignment 7 (due Tuesday, March 25)

Problems: 12 (p. 120), 26 (p.149), 20 (p. 147), 33 (p. 151) from the coursepack. Formulations
Madonna , Machines , Treatment , Boxes .

Thursday, Mar. 13: Fixed Charge Models. Examples: Gandy , Huntco (model) , Huntco (Excel)

Tuesday, Mar. 25: Large scale mixed integer models. Examples Boilers , Hiring

Assignment 8 (due Tuesday, April 1)

Problems: 54 (p. 163), 57 (p.164), 61 (p. 165) from the coursepack. For each problem provide the algebraic formulation (50%) and Excel spreadsheet (50%). Formulations
Steel , Audit Centers , Milk .

Thursday, Mar. 27: Introduction to Simulation. Example: Overbooking and Excel-Yasai file
To run this file, you need the YASAI.XLA add-in.

Assignment 9 (due Tuesday, April 8)

Problems (HTML format).
Solutions: Sweatshirts , Air Cargo , Incubators .

Thursday, April 3: Discrete Distributions. Examples: Alarms , Translators (Excel)

Tuesday, Apr. 8: Simulating Continuous Variables. Example: Power Supply Model

The 2nd Midterm Exam is on Tuesday, April 15. See Study Guide (Word).

Thursday, Apr. 10: Review: Discount Model , Discount Spreadsheet , Modular Buildings . Review of Binary Variables .

Thursday, Apr. 17: Insurance (p. 204) Spreadsheet ,

Tuesday, Apr. 22: Introduction to dynamic simulation. Inventory and Excel file .

Assignment 10 (due Thursday, May 1)

Problems (HTML format);
Template for Q4 ,
Template for Q5
Solutions: Q1 , Q2 , Q4 , Q5 .
Problem 3 is done in the book.

Thursday, April 24: Queue: Repair Shop and Excel file

Tuesday, April 29: State variables: Truckbays and Belts

Thursday, May 1: Review. Problems
Solutions: Q1--Q4 , Q5 , Q6