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glossary [2012/05/08 17:46] chris.stone |
glossary [2012/05/08 17:48] chris.stone |
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**Exogenous (variable)** - Data is not calculated within the model, instead is provided by the user/controller. See Also: Control Variable | **Exogenous (variable)** - Data is not calculated within the model, instead is provided by the user/controller. See Also: Control Variable | ||
- | **Extensive (variable)** - property of a system that does depend on the system size or the amount of material in the system. [[http://en.wikipedia.org/wiki/Intensive_and_extensive_properties|Wikipedia page for intensive and extensive properties]] | + | **Extensive (variable)** - property of a system that does depend on the system size or the amount of material in the system. [[http://en.wikipedia.org/wiki/Intensive_and_extensive_properties|Wikipedia page for intensive and extensive properties.]] |
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**Instance** - is a specific set of values or a specific filling of a variable; a variable may have more than one instance; an instantiated variable is an object. | **Instance** - is a specific set of values or a specific filling of a variable; a variable may have more than one instance; an instantiated variable is an object. | ||
- | **Intensive** (variable) - is a physical property of a system that does not depend on the system size or the amount of material in the system: it is scale invariant. [[http://en.wikipedia.org/wiki/Intensive_and_extensive_properties]] | + | **Intensive** (variable) - is a physical property of a system that does not depend on the system size or the amount of material in the system: it is scale invariant. [[http://en.wikipedia.org/wiki/Intensive_and_extensive_properties|Wikipedia page for intensive and extensive properties.]] |
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