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.
Uses of Cat Modelling. A cat model is a computerised system that generates a robust set of simulated events and estimates. the magnitude, intensity, and location of the event to determine the amount of damage and. calculate the insured loss as a result of a catastrophic event such as a hurricane or an earthquake.