Business

Making music streaming more fair for artists

The way people listen to music has drastically changed in the past few decades. In a recent survey of internet users by the International Federation of the Phonographic Industry (IFPI), 78% said they listen to music through ...

Engineering

Crash tests show that proper repair is crucial for safety

Researchers at the University of Agder (UiA) conducted two full-scale crash tests at Farsund Airport Lista in December 2021. Preliminary findings show that vehicles that have been incorrectly repaired after a collision may ...

Computer Sciences

A math model to predict COVID-19 vaccine efficacy

COVID-19 vaccines have been a game-changer in the current pandemic. Several vaccine candidates have conferred a high degree of protection, with some reducing the number of symptomatic infections by over 95% in clinical trials. ...

Electronics & Semiconductors

Separator key when it comes to 'stable' vs. 'safe' battery

Research from the lab of Peng Bai, assistant professor of energy, environmental and chemical engineering at the McKelvey School of Engineering at Washington University in St. Louis, recently revealed the formula for building ...

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Mathematical model

A mathematical model uses mathematical language to describe a system. Mathematical models are used not only in the natural sciences and engineering disciplines (such as physics, biology, earth science, meteorology, and engineering) but also in the social sciences (such as economics, psychology, sociology and political science); physicists, engineers, computer scientists, and economists use mathematical models most extensively. The process of developing a mathematical model is termed 'mathematical modelling' (also modeling).

Eykhoff (1974) defined a mathematical model as 'a representation of the essential aspects of an existing system (or a system to be constructed) which presents knowledge of that system in usable form'.

Mathematical models can take many forms, including but not limited to dynamical systems, statistical models, differential equations, or game theoretic models. These and other types of models can overlap, with a given model involving a variety of abstract structures.

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