Results 41 to 50 of about 60,854 (281)

A new crossover dynamics mathematical model of monkeypox disease based on fractional differential equations and the Ψ-Caputo derivative: Numerical treatments

open access: yesAlexandria Engineering Journal
A novel crossover model for monkeypox disease that incorporates Ψ-Caputo fractional derivatives is presented here, where we use a simple nonstandard kernel function Ψ(t).
N.H. Sweilam   +3 more
doaj   +1 more source

A Nonstandard Dynamically Consistent Numerical Scheme Applied to Obesity Dynamics

open access: yesJournal of Applied Mathematics, 2008
The obesity epidemic is considered a health concern of paramount importance in modern society. In this work, a nonstandard finite difference scheme has been developed with the aim to solve numerically a mathematical model for obesity population dynamics.
Rafael J. Villanueva   +2 more
doaj   +1 more source

A Nonstandard Neutrosophic Framework for Evaluating Intelligent Clothing Design Effectiveness under Multisource Perceptual and Functional Uncertainty [PDF]

open access: yesNeutrosophic Sets and Systems
Intelligent clothing systems are becoming increasingly embedded with responsive technologies to adapt to the user's environment, physiological state, and comfort preferences.
Kaixia Zhuo
doaj   +1 more source

Lexical Normalization Using Generative Transformer Model (LN-GTM)

open access: yesInternational Journal of Computational Intelligence Systems, 2023
Lexical Normalization (LN) aims to normalize a nonstandard text to a standard text. This problem is of extreme importance in natural language processing (NLP) when applying existing trained models to user-generated text on social media.
Mohamed Ashmawy   +2 more
doaj   +1 more source

Investigation of the Wear Resistance of a Journal Bearing with Polymer-Coated Grooved Support Ring

open access: yesAdvanced Engineering Research, 2023
Introduction. In modern heavy-loaded friction units, metallopolymer coated bearings operating in the boundary friction mode are widely used. Their successful application is provided by the viscoelastic deformation of these coatings under load.
V. V. Vasilenko   +3 more
doaj   +1 more source

Ultralogics and probability models

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 2001
We show how nonstandard consequence operators, ultralogics, can generate the general informational content displayed by probability models. In particular, a probability model that predicts that a specific single event will occur and those models that ...
Robert A. Herrmann
doaj   +1 more source

Use of Kriging Technique to Study Roundabout Performance [PDF]

open access: yes, 2011
Road intersections are dangerous places because of the many conflicting points between motorized and nonmotorized vehicles. In the case of defined traffic volume, several research groups have proved that roundabouts reduced the number of injuries and ...
MAZZELLA, ALESSANDRO   +2 more
core   +1 more source

SNSequate: Standard and Nonstandard Statistical Models and Methods for Test Equating

open access: yesJournal of Statistical Software, 2014
Equating is a family of statistical models and methods that are used to adjust scores on two or more versions of a test, so that the scores from different tests may be used interchangeably.
Jorge González
doaj   +1 more source

Effect of motorcycle helmet types on head injuries: evidence from eight level-I trauma centres in Taiwan

open access: yesBMC Public Health, 2020
Background Motorcycle full-coverage helmet use may reduce fatalities and head injuries. Methods This retrospective cohort study extracted injury data from eight level-I trauma centres in Taiwan and performed a questionnaire survey to investigate injuries
Carlos Lam   +6 more
doaj   +1 more source

Stochastic Analysis of Nonlinear Cancer Disease Model through Virotherapy and Computational Methods

open access: yesMathematics, 2022
Cancer is a common term for many diseases that can affect anybody. A worldwide leading cause of death is cancer, according to the World Health Organization (WHO) report. In 2020, ten million people died from cancer.
Ali Raza   +4 more
doaj   +1 more source

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