Variables required to model a given system

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Modeling & Simulation[1]

In an examination students will not be expected to identifyProvide an answer from a number of possibilities. Recognize and state briefly a distinguishing fact or feature. more than four variables in a given system.

Let's answer this question by looking at a few different systems and imagining which variables might be the most impactful.

a sports player

If I wanted to create a model of a sports player what variables might I choose? I want to choose a variables that are meaningful. Maybe:

  1. numberA unit of abstract mathematical system subject to the laws of arithmetic. of injuries
  2. age
  3. numberA unit of abstract mathematical system subject to the laws of arithmetic. of points scored
  4. numberA unit of abstract mathematical system subject to the laws of arithmetic. of games won
  5. numberA unit of abstract mathematical system subject to the laws of arithmetic. of games lost

I think these variables MIGHT help me model a sports figure.

a country

Maybe I wanted to create a model of a country. The variables I choose might be related to what I want to do with my model.

  1. percentage of population with electricity access
  2. electricity - consumption
  3. electricity - exports
  4. electricity - imports

These variable are used from the CIA world factbook with gratitude. I wonder why they create models of EVERY COUNTRY ON EARTH?

a car

I wonder how these variables might inform my choices about buying a car:

  1. total cost
  2. monthly average gasoline cost
  3. monthly repair cost
  4. monthly resale value

Standards

  • IdentifyProvide an answer from a number of possibilities. Recognize and state briefly a distinguishing fact or feature. the variables required to model a given system.

References