Results 11 to 20 of about 7,923,904 (293)
Mathematical modelling of elastic vibrations arising from four-body impact interaction [PDF]
E3S Web of Conferences, 2023 This paper presents a mathematical model of elastic vibrations arising from shock interaction in a four-body system. The resulting model has two applications: the study of linear elastic interaction and the study of nonlinear elastic interaction.
Vyplaven V.S. +5 more
doaj +1 more source
On Some Inequalities of Symmetric Means and Mixed Means [PDF]
, 2005 We improve some inequalities involving the symmetric means.
Gao, Peng
core +6 more sources
, 2021 Thinking right requires means or tools of thinking. Thismeans is certain, so scientific activity will not be maximized withoutthe means of scientific thinking.
Iswanto, Juli; North Sumatra State Islamic University
core +1 more source
Ensuring sustainable development of education of future maritime transport professionals by means of network interaction [PDF]
E3S Web of Conferences, 2020 The article describes the concept of sustainable development, which is one of the modern trends of scientific research in the 21st century. The analysis of scientific researches has been carried out in the context of the mentioned problem of sustainable ...
Dyagileva Olena +4 more
doaj +1 more source
The Fuzzy Logic in the Problems of Test Control of a Bypass Turbojet Engine Gas Generator
Mathematics, 2022 Continuous improvement in the operational characteristics of gas turbine equipment and a significant reduction in the time of its creation have led to the development and application of new technologies for conducting research tests of a gas generator ...
Alexander Inozemtsev +7 more
doaj +1 more source
Frontiers in Psychology, 2013 In this paper we voice concerns about the uncritical manner in which the mean is often used as a summary statistic in psychological research. We identify a number of implicit assumptions underlying the use of the mean and argue that the fragility of these assumptions should be more carefully considered.
Speelman, Craig P, McGann, Marek
openaire +5 more sources
Applied Sciences, 2021 This paper deals with the optimization of the crossbars, parts of the existing frame of the experimental system of the Alternative SkidCar. This part plays a crucial role and is designed to enable and ensure reduced adhesion conditions between the ...
Petr Jilek +2 more
doaj +1 more source
Railway optimal network simulation for the development of regional transport-logistics system [PDF]
Экономика региона, 2013 The dependence of logistics on mineral fuel is a stable tendency of regions development, though when making strategic plans of logistics in the regions, it is necessary to provide the alternative possibilities of power-supply sources change together ...
Mikhail Borisovich Petrov +2 more
doaj +1 more source
, 2023 This paper presents two novel deterministic initialization procedures for k-means clustering based on a modified crowding distance. The procedures, named ck-means and fck-means, use more crowded points as initial centroids.
Abdesslem Layeb
core +1 more source