# About the Modelling & Simulations category

**URL:** <https://discourse.julialang.org/t/about-the-modelling-simulations-category/284>\
**Category:** Modelling & Simulations\
**Created:** [November 14, 2016, 10:58am UTC](https://discourse.julialang.org/t/about-the-modelling-simulations-category/284 "2016-11-14T10:58:29Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![vchuravy](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/vchuravy/32/8_2.png) [@vchuravy](https://discourse.julialang.org/u/vchuravy)\
**Post date:** [November 14, 2016, 10:58am UTC](https://discourse.julialang.org/t/about-the-modelling-simulations-category/284/1 "2016-11-14T10:58:29Z")

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(Replace this first paragraph with a brief description of your new category. This guidance will appear in the category selection area, so try to keep it below 200 characters. **Until you edit this description or create topics, this category won’t appear on the categories page.** )

Use the following paragraphs for a longer description, or to establish category guidelines or rules:

- Why should people use this category? What is it for?

- How exactly is this different than the other categories we already have?

- What should topics in this category generally contain?

- Do we need this category? Can we merge with another category, or subcategory?

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**Author:** ![hpoit](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/hpoit/32/245_2.png) [@hpoit](https://discourse.julialang.org/u/hpoit)\
**Post date:** [November 26, 2016, 12:51pm UTC](https://discourse.julialang.org/t/about-the-modelling-simulations-category/284/2 "2016-11-26T12:51:51Z")

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> **[Modeling and simulation](https://en.wikipedia.org/wiki/Modeling_and_simulation)**
>
> Modeling and simulation (M&S) is the use of models (e.g., physical, mathematical, behavioral, or logical representation of a system, entity, phenomenon, or process) as a basis for simulations to develop data utilized for managerial or technical decision making.
> In the computer application of modeling and simulation a computer is used to build a mathematical model which contains key parameters of the physical model. The mathematical model represents the physical model in virtual form, and condit...

We should break-up this category into subcategories.