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1.2 The Modeling Process

1.2 The Modeling Process. What is Modeling?. Modeling is the application of methods to analyze complex, real-world problems in order to make predictions about what might happen with various actions. *Στόχος. = “aim” or “guess”. Stochastic* Behavior.

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1.2 The Modeling Process

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  1. 1.2 The Modeling Process

  2. What is Modeling? Modeling is the application of methods to analyze complex, real-world problems in order to make predictions about what might happen with various actions.

  3. *Στόχος = “aim” or “guess” Stochastic* Behavior A system exhibits probabilistic or stochastic behavior if an element of chance exists. A probabilistic or stochastic model exhibits random effects, whereas a deterministic model does not.

  4. Πάντα ῥεῖ Static vs. Dynamic Models A static model does not consider time, whereas a dynamic model changes with time. Heraclitus (ca. 535–475 BC)

  5. Continuous vs. Discrete In a continuous model, time changes continuously, while in a discrete model, time changes in incremental steps. Zeno of Elea (ca. 490 BC? – ca. 430 BC?)

  6. Verification vs. Validation The process of verification determines if the solution works correctly, while the process of validation establishes if the system satisfies the problem’s requirements.

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