Matakuliah
Tahun
: K0414 / Riset Operasi Bisnis dan Industri
: 2008 / 2009
Pengenalan Riset Operasi
Pertemuan 1
What Is
Operations Research?
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OR is everywhere...
Daily life:
• Finding the fastest route to school
• Optimal allocation of time for homework
• Optimal budgeting
• Planning the best road trip
• Selecting a major
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OR/MS: What is it?
Operations research (management
science) is a collection of techniques
based on mathematics and other
scientific approaches that finds
solutions to complex problems.
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OR is everywhere…
OR is everywhere...
Industry:
• Agriculture and food
• Airline industry
• Banking
• Energy
• Forestry
•
• Manufacturing
•
• Marketing
•
•
•
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Mining
Pharmaceuticals
Retailing
Telecommunication
Transportation
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OR is everywhere…
Public sector:
• City planning
• Education
• Environmental policies
• Homeland security
• Municipalities and states
• Police and firefighter deployment
• Politics
• Public health
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How does OR work?
Identify the problem
Observe the system and gather data
Formulate a mathematical model
Solve or simulate the
model
Compare your solutions with reality
Implement your solution

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Do answers
seem ok?

Always look for a
better/faster
solution (that’s
what makes our
profession unique)
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OR is multidisciplinary…
Psychology
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OR
And
others…
Statistics
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Mathematics in Operation
Real Practical Problem
Mathematical (Optimization) Problem
x2
Mathematical Solution Method (Algorithm)
Computer Algorithm
Decision Support Software System
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Human Decision-Maker
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Problem Solving Stages
Real Practical Problem
Mathematical (Optimization) Problem
Mathematical Solution Method (Algorithm)
Staff Rostering at
Childcare Centre
Mathematical
Programming
CPLEX
XpressMP
Computer Algorithm
Decision Support Software System
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Human Decision-Maker
LINGO
Excel with VBA
Childcare Centre11
Manager
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