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61
Development of a numerical method for solving optimization problems approximation of the function given approximately and its derivatives based on the variational approach
Pubblicazione 2022-09-01TestoIntroduction: the presented work continues the authors' research on the methods of the theory of approximation of functions of a real variable, given approximately, on the basis of their representation by integrals. Materials and methods of research: the paper studies the methods of representat...
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MODEL IDENTIFICATION OF PROPERTIES OF ERRORS IN DATA PROCESSING TECHNOLOGY
Pubblicazione 2016-05-01TestoThe recognition problem is solved on the basis of the properties of the statistical classification structure errors, referred to as defects. Classification is performed by agglomerative cluster analysis on Euclidean metric. Experimental clustering carried out by varying the time and cost of finding...
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63
Three-dimensional modeling of temporal field by radial and finite-differential methods for solving the problems of seismology
Pubblicazione 2019-11-01“...Modeling is also an important tool for inspection of correctness of methods for solving the inverse problem during the process of interpretation both seismological and seismic exploration data. ...”Three-dimensional modeling of temporal field allows reconstructing the kinamatics of wave processes observed in the Earth during seismic studies and determine in such a way spatial position into it of the studied objects. Modeling is also an important tool for inspection of correctness of methods f...
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64
Kinematic migration for determination of velocity model of the medium while solving practical problems of seismic exploration
Pubblicazione 2018-12-01“...Seismic migration allows solving different problems of seismic exploration and depending on the properties of the wave field which take part during the processing is subdivided into two types: kinematic and dynamic. ...”Seismic migration allows solving different problems of seismic exploration and depending on the properties of the wave field which take part during the processing is subdivided into two types: kinematic and dynamic. Kinematic migration allows to determine seismic velocities and interfaces in geologi...
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65
APPROACH OF PROCESSING, CLASSIFICATION AND DETECTION OF NEW CLASSES AND ANOMALIES IN HETEROGENIOUS AND DIFFERENT STREAMS OF DATA
Pubblicazione 2019-05-01“...The aim of the study is to search for effective methods and approaches to the processing of heterogeneous data streams and the management of problems of infinite length, conceptual evolution and conceptual drift. ...”Objectives. The aim of the study is to search for effective methods and approaches to the processing of heterogeneous data streams and the management of problems of infinite length, conceptual evolution and conceptual drift. A heterogeneous data stream can have infinite length and contain structured...
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66
Modification of the WaldBoost algorithm to improve the efficiency of solving pattern recognition problems in real-time
Pubblicazione 2019-10-01“...The paper studies modifications of compositions (ensembles) of algorithms for solving real-time pattern recognition problems. The aim of the study is to improve the known machine learning algorithms for pattern recognition using a minimum amount of time (the minimum number of used classifiers) and with a given accuracy of the results. ...”The implementation of the WaldBoost algorithm is considered, and its modification is proposed, which allows to significantly reduce the number of weak classifiers to achieve a given classification accuracy. The efficiency of the proposed algorithm is shown by specific examples. The paper studies mod...
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67
Modeling biogeochemical processes in the Azov Sea using statistically processed data on river flow
Pubblicazione 2020-12-01“...This work is aimed at solving the problem of phytoplankton dynamics in the coastal environments using the example of the Azov Sea. ...”Introduction. This work is aimed at solving the problem of phytoplankton dynamics in the coastal environments using the example of the Azov Sea. This takes into account the transformation of forms of phosphorus, nitrogen and silicon, as well as the aquatic medium motion, the distribution of temperat...
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68
VECTOR DATA DIFFERENCES IDENTIFICATION IN THE THEMATIC PROCESSING OF SPACE IMAGES
Pubblicazione 2017-08-01“...The problem of differences identifying in vector graphics data packages and how to solve it is considered. ...”The problem of differences identifying in vector graphics data packages and how to solve it is considered. Map information and vectorized data of remote sensing of Earth are sources of vector data in the article. The aim is to design a method for detecting differences in vector data packages, provid...
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69
Data Processing Method in Medium Range Coastal Radar Complex
Pubblicazione 2018-06-01“...The system structure diagram is designed to solve computational overload problem when processing large volume of data received from radar stations. ...”The article presents the basic principles of design and development of integrated middle range Coastal Surveillance System (CSS) used for water surface lookout. It provides solutions for such missions as command and control of maritime forces, border monitoring and control, prevention of illegal act...
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70
A numerical method for solving ill-posed problems for two-dimensional integral equations of the first kind
Pubblicazione 2022-09-01“...In the end, the developed numerical method and algorithm allow to obtain a stable solution of the original problem taking into account the errors in the original data, which corresponds to a practical situation simulation of processes in specific applications....”Propose a method of numerical solution integral equations of the first kind. This assumes that the source data in the equation can be set approximately with errors, and the integral equation kernel may have features that leads to the formulation of so-called ill-posed problems. This in turn requires...
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71
Lack of Detachment, Affective Rumination or Problem-Solving Pondering? Decoding the Connection Between Job Insecurity and Exhaustion
Pubblicazione 2025-06-01“...Potential mediators included lack of psychological detachment, affective rumination, and problem-solving pondering as facets of work-related rumination. ...”While the maladaptive relationship between the threat of job loss and exhaustion is well established, little attention has been devoted to the cognitive and affective processes during non-work time that may occur in employees and may explain this relationship. Our study sought to open this black box...
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72
Analysis of Students' Errors in Solving Mathematical Problems Based on Field Independent and Field Dependent Cognitive Styles
Pubblicazione 2025-04-01“...Errors made by students in solving mathematical problems remain a common issue encountered in the learning process. ...”Errors made by students in solving mathematical problems remain a common issue encountered in the learning process. Cognitive styles, such as Field Independent (FI) and Field Dependent (FD), are believed to influence how students comprehend and solve mathematical problems. Based on this premise, thi...
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73
The cognitive impacts of large language model interactions on problem solving and decision making using EEG analysis
Pubblicazione 2025-07-01TestoIntroductionThe increasing integration of large language models (LLMs) into human-AI collaboration necessitates a deeper understanding of their cognitive impacts on users. Traditional evaluation methods have primarily focused on task performance, overlooking the underlying neural dynamics during int...
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74
METHODS OF APPROXIMATION OF FUNCTIONS BY GENERALIZED POLYNOMIALS IN NUMERICAL ANALYSIS PROBLEMS RELATED TO CALCULATIONS ON APPROXIMATE DATA
Pubblicazione 2022-09-01“...Introduction: the methods of representation of functions given approximately by their singular integrals in relation to approximation problems and numerical methods for solving boundary value problems for differential equations are Investigated. ...”Introduction: the methods of representation of functions given approximately by their singular integrals in relation to approximation problems and numerical methods for solving boundary value problems for differential equations are Investigated. In such a statement, the problem belongs to the class...
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75
Current state of the vegetable root crop market in the Russian Federation and ways to solve the problem of food security
Pubblicazione 2020-05-01TestoRelevance and methods. Among vegetable crops, root crops are particularly popular among the population both in the Russian Federation and abroad: carrots, beetroot, radish, turnips and parsnips, which are sources of various vitamins. A significant share in the structure of production and acreage is...
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76
Improving students’ geometric mathematical problems through the GeoGebra-Assisted "5E" Learning Cycle
Pubblicazione 2023-04-01TestoThis study aims to investigate the effectiveness of the GeoGebra-assisted 5E learning cycle toward students’ understanding of mathematical concepts. This study was a quasi-experiment with a pre-test and post-test control group design. The cluster random sampling technique was used to select samples...
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Implementation of Basic Operations for Sparse Matrices when Solving a Generalized Eigenvalue Problem in the ACELAN-COMPOS Complex
Pubblicazione 2023-07-01“...Taking into account the features of the structures of the stiffness and mass matrices obtained through solving the generalized eigenvalue problem for an electroelastic body, the preferred methods for their processing were determined....”Introduction. The widespread use of piezoelectric materials in various industries stimulates the study of their physical characteristics and determines the urgency of such research. In this case, modal analysis makes it possible to determine the operating frequency and the coefficient of electromech...
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79
Intelligent Data Processing Methods for the Atypical Values Correction of Stock Quotes
Pubblicazione 2022-05-01TestoPurpose of the study. The purpose of the study is to carry out a comparative analysis of various methods for correcting atypical values of statistical data on the stock market and to develop recommendations for their use.Materials and methods. The article analyzes Russian and foreign bibliography on...
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80
Effect of crystal-to-detector distance shift on data processing in serial crystallography.
Pubblicazione 2025-01-01“...The phase problem was successfully solved even when HEWL and GI data deviated by ±10 mm from the actual CTDD, excluding one dataset. ...”Serial crystallography (SX) is an emerging technique to determine the room-temperature structure of macromolecules while minimizing any radiation damage. In SX, many crystals are continuously delivered to the X-ray interaction points. Crystal-to-detector distance (CTDD), an important data processing...
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