Actual problems of Mathematics, Physics and Mecanics
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Actual problems of Mathematics, Physics and Mecanics
FIRST PRINCIPLE STUDIES ON STRUCTURAL AND ELECTRONIC PROPERTIES OF GALLIUM PHOSPHIDE AND SOLID SOLUTION (Si2)x(GaP)1-x.
In this work, the structural and electronic properties of gallium phosphide (GaP) and (Si2)x(GaP)1-x solid solution were modeled using the density functional theory (DFT). This method is an efficient and accurate method for calculating some parameters of semiconductor materials. The hybrid...
3 July 2024, 21:50
АUTОMАTIС SUMMАRIZАTIОN ОF TEXT IN UZBEK LANGUAGE USING KEYWОRDS
Text summаrizаtiоn is а tаsk in nаturаl lаnguаge рrосessing thаt invоlves using а соmрuter tо сreаte а соndensed versiоn оf а given text. The result thаt is рrоduсed is knоwn аs а summаry, аnd it оught tо be а fаir reрresentаtiоn оf the entire text—thаt is, it оught tо inсlude the mоst сruсiаl...
3 July 2024, 21:50
PECULIARITIES OF (Ge2)0,02(ZnSe)0,03(GaAs)0,95 SOLID SOLUTIONS PREPARATION AND THEIR PHOTOELECTRIC PROPERTIES
The results of studies of photoelectric properties of epitaxial layers of new solid solutions (Ge2 )0,02(ZnSe )0,03(GaAs)0,95 and structures based on them obtained by liquid-phase epitaxial method are presented. Photosensitivity is observed in the spectral range of 1.38÷2.58 eV, indicating the...
3 July 2024, 21:50
INNOVATIVE APPROACH TO MATHEMATICAL MODELING OF LEARNING PROCESSES AS AN OBJECT OF DIGITAL TECHNOLOGY (using advanced training as an example)
The article considers the applied problem of digital technology of the learning process, using the example of a university. A mathematical model of the problem has been developed using system analysis and elements of set theory. A computational algorithm for solving the problem has been created,...
3 July 2024, 21:50
THE METHOD OF CALCULATION AND ANALYSIS OF THE OBTAINED RESULTS IS BASED ON NUMERICAL MODELING OF THE DEFORMATION PROCESSES OF TEXTILE THREADS
The creation of experimental methods for calculating and analyzing the results significantly increases the efficiency of the software package for numerical simulation of deformation processes on modern computers. In this paper, a method for calculating and analyzing the results obtained on the...
3 July 2024, 21:50
FORMALIZATION OF MANAGEMENT PROCESSES OF EXECUTIVE AUTHORITIES BASED ON THE PRINCIPLES OF MATHEMATICAL LOGIC
This matic formalization was studied in the executive authorities, in particular, in the case of the social group-neighborhood assembly (NA), under the influence of the metasystem and taking into account internal capabilities, the AN as an object of decision-making and ensuring its implementation,...
3 May 2024, 21:50
AUTOMATED SUMMARIZING OF THE UZBEK TEXT
The real-world application of Natural Language Processing (NLP) challenges for low-resource languages is growing rapidly. There has been a considerable deal of study using various ways to increase the quality of answers to these problems. This paper is devoted to automated inference from Uzbek...
3 May 2024, 21:50
MODELING AND OPTIMIZATION OF THE TECHNOLOGICAL PROCESS OF FLOTATION OF POTASSIUM ORES
The article discusses the modeling and optimization of the technological process of flotation of potash ores. One of the most important processes in the production of potash fertilizers is the flotation process, which determines the quality of the final product. The efficiency of the flotation...
3 March 2024, 21:50
INVERSE MATRIX METHОD FОR CALCULATING MОDELS ОF STABLE ELECTRICAL SYSTEMS UNDER CОNDITIОNS ОF INTERVAL DATA UNCERTAINTY
The study explоres the iterative technique оf finding the inverse matrix tо determine the distributiоn оf currents and vоltages in electrical sуstems, fоcusing оn its cоnvergence within the dоmain оf interval cоmplex numbers. An estimatiоn оf cоnvergence is derived, utilizing the spectral radius оf...
3 March 2024, 21:50
MATHEMATICAL, ALGORITHMIC AND SOFTWARE OF THE SYSTEM FOR RECORDING AND DIAGNOSTIC OF ELECTROCARDIOGRAPHIC SIGNALS
One of the effective ways to prevent death from heart attack from the World Health Organization is timely diagnosis based on digital processing algorithms of modern electrocardiographic (ECG) signals. Today, a number of methods for automatic detection of electrocardiographic signals have been...
3 March 2024, 21:50