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.
Criminal Simulation Law and Legal Definition. Simulation is the act of simulating or assuming an appearance that is feigned or not true. It implies the assumption of a false appearance. Criminal simulation is a feigned or fictitious transaction to effect a fraud.