Set_0_modeling - B Maddah ENMG 500 Engineering Management I...

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1 B. Maddah ENMG 500 Engineering Management I 10/02/07 The OR Modeling Approach What is special about the OR analysis approach? (i) A primary focus on decision making . The analysis must lead to clear suggestions to the decision maker. (ii) An appraisal resting on economic effectiveness criteria (e.g. cost, profit, rate of return, etc.). (iii) Reliance on a formal mathematical model . (iv) Dependence on computers (due to complexity of real world mathematical models.) What is a model anyway? A model is an abstract representation of the real world physical, social, or other systems in terms of mathematical equations, logical relationships, computer programs, flow diagrams, drawings, or other forms.
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2 Types of models Iconic (scale) models, e.g., map, blue print. Mathematical models . Math models A mathematical model defines measurable observables , f = ( f 1 , f 2 , …), that relate the state of a system, , to real numbers, :  fR .
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This note was uploaded on 12/23/2010 for the course ENMG 500 taught by Professor Drbacelmaddah during the Fall '09 term at American University of Beirut.

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Set_0_modeling - B Maddah ENMG 500 Engineering Management I...

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