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3.2.1 introduction to simulation
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Unit No.3.
DECISION SCIENCE
Presented By:
Dr. V. M. Tidake
Ph. D (Financial Management), MBA(FM), MBA(HRM) BE(Chem)
Dean, EDP & Associate Professor MBA
1
Sanjivani College of Engineering, Kopargaon
Department of MBA
www.sanjivanimba.org.in
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302-DECISION SCIENCE
Unit No.3 Marko Chain & Simulation
3.2.1 Introduction to Simulation
Presented By:
Dr. V. M. Tidake
Ph. D (Financial Management), MBA(FM), MBA(HRM) BE(Chem)
Dean EDP & Associate Professor MBA
2
Sanjivani College of Engineering, Kopargaon
Department of MBA
www.sanjivanimba.org.in
4. www.sanjivanimba.org.in
SIMULATION
Simulation is a methodology of development of a model of a
real system and then performing experiments on it with a
view to predict the behavior of a system over a period of
time.
Examples:
a. Predicting the market share for a product for next
financial year.
b. Predicting the Level of sales based on past sales figure.
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PROCESS OF SIMULATION
1. Problem Definition.
2. Development of Appropriate Model of real
system by collecting enormous amount of
appropriate data.
3. Experimentation (Manipulation) with the
model.
4. Analysis and Interpretation of the results in
order to upgrade model performance if
required.
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SIMULATION
ADVANTAGES:
1. Useful for analyzing complex systems where traditional
mathematical models can not be used.
2. Easy to Use, Flexible and Less Expensive.
3. Risk of interference with real world gets avoided.
4. Interactive effect of Individual component can be
studied.
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ELEMENTS OF SIMULATION MODEL
SYSTEM INPUT:
It is the logic and rules which governs the Model.
RANDOM NUMBER GENERATION:
Used to Simulate Model.
WORK DATA SHEET:
Is the Sheet used to Record the Results of Simulation and
are used to obtain further Results.
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STEPS IN MONTE CARLO SIMULATION
1. Identify the Input variables, collect data on
them and write Probability Distribution for them.
This represents Simulation Model.
2. Rewrite the Cumulative Probability
Distribution.
3. Identify the Random No. Intervals
corresponding to these cumulative Probability
Figures. (00 to 99 or 000 to 999)
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STEPS IN MONTE CARLO SIMULATION
4. Prepare a Table for Random Numbers and the
expected/Simulated values of the Input variables.
5. Generate ‘n’ random Numbers from the Random No.
Table (if not given). For each random No. identify its
Random Number Interval. And then the corresponding
value of the input variable is the simulated value.
6. Process this Simulated information and then Summarize
and Interpret the Data.