Operations Research (Math/CS 339)
Spring 2020

Textbook Links

First day stuff

• Class Syllabus
• Course Calendar
• Homework Assignments to Exam 1
• Homework Assignments to Exam 2

Material By Chapter

Chapter 3

• In class examples, Day 1
• In class examples, Day 2
• Note about Excel
• Dorian Auto (Excel File)
• Farmer (Excel File)
• In class example, scheduling (3.5)
• In class example, blending (3.8)
• In class example, production (3.9-3.10)
• In class example, 3.11-12. (Toyco, Madonna, Computers)

Chapter 4

• In class examples, BFS
• Handout, Basic Feasible Solutions and Standard Form
• Homework Addition for 4.1-4.3 **Turn in all next Wed, Feb 12
• Handout for Section 4.11 (Degeneracy)
• HOMEWORK NOTE for sections 4.6-4.11. It wasn't clear what was assigned and what to turn in- Here is an update (turn in problems with an asterisk).
  • 4.6: 2, 3, 4*
  • 4.7: 2*, 8, 9, Ch 4 Review: #27
  • 4.8: 1, 3, 6*, Ch 4 Review: #18
  • 4.11: 2, 3*
• Examples, Big-M method (Maple and Mathematica)
• Section 4.16:
  • List of 4 examples. Read these over before going to the Maple solutions below.
  • PDF of Example 1(a). Maple file for Example 1(a)
  • PDF of Example 1(b). Maple file for Example 1(b)
  • PDF of Example 2. Maple file for Example 2
  • PDF of Example 3. Maple file for Example 3
  • PDF of Example 4. Maple file for Example 4

Chapter 6

• Section 6.1
  • A summary of computations from 6.1
  • LINDO output, class example
  • LINGO output, class example
  • How to get LINGO output
• Section 6.3 (Sensitivity Analysis using Linear Algebra, For Friday 3/6)
  • A summary of the computations.
  • An Extra Worked Example
  • Extra HW problem (due next Wed).
• Section 6.5 (The Dual, for Monday 3/9)
  • In-class overhead slideshow (PDF)

Exam Links

• Exam 1 links:
  • Exam 1 Topics
  • Exam 1 Review Questions
  • Exam 1 Review Solutions

Software Links

• Download page for LINDO. We'll be using the ``Classic LINDO'' at the bottom of the link page, which is set up for Windows. We may also look at LINGO later.
• Linux version of LINGO
• The LINDO User's Manual is here. The "help" features don't seem to work using "wine" under Linux.
• Directory for Maple downloads. Note that this is an old version, and is not compatible with new Mac OS. This does work well with either Windows or Linux/Ubuntu.
• Links to LibreOffice, which includes free software that emulates Word and Excel.
• Online linear system solver.

For the Curious...

• Informs.org is the professional organization for people working in Operations Research and Management Science.
• Newsletter (you can see what's current in OR)

Some Video Files

• Solving an LP using LibreCalc (or Excel)
  
• Install LINDO and solve a small linear program:
  
• Solving an LP using LINGO:
  

• Page for Maple downloads.
• Maple tutorial (for calculus, but good for general purposes)
• Mathematica download page. The Mathematica page also includes video tutorial links.