Erect means build or upright. If you erect a house, you build it. If you stand erect, you hold your body as tall as possible.
A mathematical model is a description of a system using mathematical concepts and language.The process of building a mathematical model is termed mathematical modeling.Mathematical models are used in the natural sciences (such as physics, biology, earth science, meteorology) and engineering disciplines (e.g. computer science, artificial intelligence). mathematical model is a description of a system using mathematical concepts and language.
A lot of math in gameplay scripting is fairly simple, but math used in game engine architecture is far more complex and a lot more taxing mentally. Math in game development is simulated either by the developer or handled by the the engine at runtime by running computations to calculate the operation that is needed.owever, a lot of the math is computed at runtime and handled by the game engines that render back face culling, and the other nitty gritty things that would be too cumbersome to do without the use of using an engine to alleviate the math calculation portion at runtime.