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Call and messaging logs from mobile devices have been used to predict human personality traits successfully in recent years. However, the widely available accelerometer data is not yet utilized for this purpose. In this research, we…

Human-Computer Interaction · Computer Science 2019-06-20 Nan Gao , Wei Shao , Flora D Salim

We present and critically discuss five commonly used mathematical models of the meal glucose rate of appearance in humans. Such models are key to simulation of the metabolism in healthy people, people with diabetes, and obese people, and…

Systems and Control · Electrical Eng. & Systems 2023-08-01 Tobias K. S. Ritschel , Asbjørn Thode Reenberg , Peter Emil Carstensen , Jacob Bendsen , John Bagterp Jørgensen

The condition for adiabatic approximation are of basic importance for the applications of the adiabatic theorem. The traditional quantitative condition was found to be necessary but not sufficient, but we do not know its physical meaning…

Quantum Physics · Physics 2011-02-02 Qian-Heng Duan , Ping-Xing Chen , Wei Wu

Fatigue is a broad, multifactorial concept that includes the subjective perception of reduced physical and mental energy levels. It is also one of the key factors that strongly affect patients' health-related quality of life. To date, most…

Human-Computer Interaction · Computer Science 2021-08-10 Yang Bai , Yu Guan , Jian Qing Shi , Wan-Fai Ng

To describe the nonequilibrium states of a system we introduce a new thermodynamic parameter - the lifetime of a system. The statistical distributions which can be obtained out of the mesoscopic description characterizing the behaviour of a…

Statistical Mechanics · Physics 2007-05-23 V. V. Ryazanov

Fitts' law is a fundamental tool in measuring the capacity of the human motor system. However, it is, by definition, limited to aimed movements toward spatially expanded targets. We revisit its information-theoretic basis with the goal of…

Information Theory · Computer Science 2012-02-14 Teemu Roos , Antti Oulasvirta , Laura Leppänen , Arttu Modig

Track and field world records have risen and fallen throughout the history of the sport. A recent rash of record-breaking performances has prompted the question: "How good can we get?". This article offers a review of several attempts to…

Popular Physics · Physics 2007-05-23 J. R. Mureika

To describe the nonequilibrium states of a system we introduce a new thermodynamic parameter - the lifetime of a system. The statistical distributions which can be obtained out of the mesoscopic description characterizing the behaviour of a…

Statistical Mechanics · Physics 2007-05-23 V. V. Ryazanov , S. G. Shpyrko

Derived variables are variables that are constructed from one or more source variables through established mathematical operations or algorithms. For example, body mass index (BMI) is a derived variable constructed from two source…

Methodology · Statistics 2025-03-24 Harlan Campbell , Tim Morris , Paul Gustafson

Obesity, the leading cause of many non-communicable diseases, occurs mainly for eating more than our body requirements and lack of proper activity. So, being healthy requires heathy diet plans, especially for patients with comorbidities.…

Machine Learning · Computer Science 2023-08-08 Mrinmoy Roy , Srabonti Das , Anica Tasnim Protity

We provide scientific foundations for athletic performance prediction on an individual level, exposing the phenomenology of individual athletic running performance in the form of a low-rank model dominated by an individual power law. We…

Applications · Statistics 2016-09-28 Duncan A. J. Blythe , Franz J. Király

The ratio of males to females in a population is a meaningful characteristic of sexual species. The reason for this biological property to be available to the observers of nature seems to be a question never asked. Introducing the notion of…

Populations and Evolution · Quantitative Biology 2017-02-15 Eduardo Garibaldi , Marcelo Sobottka

Planck introduced his famous units of mass, length and time a hundred years ago. The many interesting facets of the Planck mass and length are explored. The Planck mass ubiquitously occurs in astrophysics, cosmology, quantum gravity, string…

General Relativity and Quantum Cosmology · Physics 2007-07-03 C. Sivaram

The metabolic processes complexity is at the heart of energy conversion in living organisms and forms a huge obstacle to develop tractable thermodynamic metabolism models. By raising our analysis to a higher level of abstraction, we develop…

Statistical Mechanics · Physics 2020-06-02 C. Goupil , H. Ouerdane , E. Herbert , Y. D'Angelo , C. Goupil

Purpose: For Monte Carlo simulation of radiotherapy, x-ray CT number of every system needs to be calibrated and converted to mass density and elemental composition. This study aims to formulate material properties of body tissues for…

Medical Physics · Physics 2016-07-06 Nobuyuki Kanematsu

The concept of mass is central to any theory of gravity. Nevertheless, defining mass in general relativity is a difficult task, and even when it can be accomplished, we still need to investigate whether the typical properties of mass in…

General Relativity and Quantum Cosmology · Physics 2025-03-26 Níckolas de Aguiar Alves , Bruno Arderucio Costa

Person Re-identification (ReID) systems that match individuals across images or video frames are essential in many real-world applications. However, existing methods are often influenced by attributes such as gender, pose, and body mass…

Computer Vision and Pattern Recognition · Computer Science 2025-05-09 Basudha Pal , Siyuan Huang , Rama Chellappa

Metabolic pathways are fundamental maps in biochemistry that detail how molecules are transformed through various reactions. The complexity of metabolic network, where a single compound can play a part in multiple pathways, poses a…

Quantitative Methods · Quantitative Biology 2024-09-18 Li Tuobang

Calculation of the centre of mass of a group of particles in a periodically-repeating cell is an important aspect of chemical and physical simulation. One popular approach calculates the centre of mass via the projection of the individual…

Chemical Physics · Physics 2026-01-05 Harry Richardson , Josh Dunn , Andrew R. McCluskey

The origin of allometric scaling of metabolic rate is a long-standing question in biology. Several models have been proposed for explaining the origin; however, they have advantages and disadvantages. In particular, previous models only…

Other Quantitative Biology · Quantitative Biology 2015-02-23 Kazuhiro Takemoto