22 Questions
What is the total weight of the assessment in the course?
150 degrees
In which week is the first quiz scheduled?
Week 5
What is the title of the book by JURAJ STACHO?
Introduction to Operations Research Deterministic Models
Who is the instructor of the course OR IS 231?
Dr. Esmat Mohamed Abdel Moniem
What is the weight of the final exam in the course?
90 degrees
How many degrees are allocated to each of the two quizzes?
30 degrees
Which of the following is NOT a type of OR technique?
Economics
What is the primary concern in the first step of the OR methodology?
Defining the problem objectives
At which step in the OR methodology do you determine how to collect data?
Step 2: Determining the data to be collected
What is the main goal of the seventh step in the OR methodology?
To validate the model's accuracy
Which of the following is a step in the OR methodology?
Understanding the system's interactions
What is the purpose of feedback loops in the OR methodology?
To facilitate iteration and improvement at all levels
What is the primary concern in the fourth step of the OR methodology?
Choosing the right model
What is the main purpose of the OR methodology?
To conduct a thorough analysis of a problem and develop a solution
What is the primary goal of communicating results in OR analysis?
To convey complex ideas in layman's terms
Which of the following is a crucial step in ensuring the success of an OR system?
Training users on the new system
What is the primary benefit of using queuing models in OR analysis?
To improve system efficiency and reduce waiting times
Which company used integer programming to assign planes to routes?
Delta Airlines
What is the estimated annual savings from the successful OR application at Hewlett Packard?
$280 million
Which of the following is a key aspect of the methodology of Operations Research?
Communicating results in layman's terms
What is the primary purpose of observing a system over time in OR analysis?
To ensure the system works properly and efficiently
Which of the following techniques was used in the successful OR application at Yellow Freight Systems?
Network models
Study Notes
Introduction to Operations Research
- OR IS 231 is a course that covers the introduction to Operations Research.
- The course is taught by Dr. Esmat Mohamed Abdel Moniem El Sayed at Misr University for Science and Technology, Faculty of Information Technology, Department of Information Systems.
Grading
- The course assessment is based on the following weights:
- Quiz 1: 30 degrees (Week 5)
- Quiz 2: 30 degrees (Week 10)
- Final Exam (written): 90 degrees (Week 16)
- Total: 150 degrees
Text Books
- The course uses the following textbooks:
- Hiller Liberman, "Introduction to Operations Research", 9th Ed., Mc Graw Hill, 2010
- Wayne L. Winston, "Operation Research: Applications and Algorithms", 9th Edition, Duxbury Press, Boston 2013
- Bernard Kolman & Robert E. Beck, "Elementary Linear Programming with applications", 8th Edition Academic Press Inc., New York, 2013
- Other textbooks mentioned
OR Techniques
- The course covers the following OR techniques:
- Linear Programming
- Integer Programming
- Multi-criteria Decision Making
- Network Modeling
- Decision Analysis
- Simulation
- Forecasting
- Markov Process
- PERT/CPM
- Inventory System
- Queuing System
Methodology of Operations Research
- The Seven Steps to a Good OR Analysis are:
- Define the problem and objectives
- Determine the type of data to be collected and how to collect it
- Choose a model and determine its accuracy
- Develop the model and choose decision variables
- Test the model and validate its results
- Implement the model and communicate results
- Monitor and evaluate the system over time
Successful OR Applications
- Examples of successful OR applications include:
- Hewlett Packard (1998): Used queuing models to design buffers into production line, resulting in $280 million in annual savings
- Taco Bell (1998): Used IP, Forecasting, and Simulation to optimize employee scheduling, resulting in $13 million in annual savings
- Proctor & Gamble (1997): Used transportation models to redesign production and distribution system, resulting in $200 million in annual savings
- Delta Airlines (1994): Used Integer Programming to assign planes to routes, resulting in $100 million in annual savings
- AT&T (1993): Used queuing models and simulation to design call center, resulting in $750 million in annual savings
- Yellow Freight Systems, Inc. (1992): Used network models to design trucking network, resulting in $17.3 million in annual savings
Introduction to Operations Research, covering lectured materials from Dr. Esmat Mohamed Abdel Moniem El Sayed at Misr University for Science and Technology. Assessment of understanding of key concepts in Operations Research.
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