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Genre:Прикладные науки. Общие вопросы. Техника (technics_IT)
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41-50 of 70
periodical press (Magazines)
ARIPOV M. M.
Aripov, M. M. On convergence of difference schemes of high accuracy for one pseudo-parabolic Sobolev type equation [Text] / M. M. Aripov, D. Utebaev , M. M. Kazimbetova // Қарағанды университетінің хабаршысы. Математика сериясы. - 2023. - № 1 (109). - P. 24-37. - Bibliogr.: p. 34-35 ISSN 2518-7929.
UDC:
517.95:519.6
Subject headings
- Differential equations. Computational mathematics
Annotation
Difference schemes of the finite difference method and the finite element method of high-order accuracy in time and space are proposed and investigated for a pseudo-parabolic Sobolev type equation
Keywords
pseudo-parabolic equation, difference schemes, finite difference method, finite element method, generalized solutions, a priori estimates, stability, convergence, accuracy
Kazakhstan
0/0 Free
periodical press (Magazines)
ASHYRALYEV А.
Ashyralyev, А. On the hyperbolic type differential equation with time involution [Text] / А. Ashyralyev, А. Ashyralyyev , B. Abdalmohammed // Қарағанды университетінің хабаршысы. Математика сериясы. - 2023. - № 1 (109). - P. 38-47. - Bibliogr.: p. 44-45 ISSN 2518-7929.
UDC:
517.28
Subject headings
- Involutory type hyperbolic equation
Annotation
In the present paper, the initial value problem for the hyperbolic type involutory in t second order linear partial differential equation is studied
Keywords
stability, Banach space, partial differential equation, hyperbolic differential equations, differential operator
Kazakhstan
0/0 Free
periodical press (Magazines)
ABDYLDAEVA E. F.
Abdyldaeva, E. F. On the solvability of a nonlinear optimization problem with boundary vector control of oscillatory processes [Text] / E. F. Abdyldaeva, A. K. Kerimbekov , M. T. Zhaparov // Қарағанды университетінің хабаршысы. Математика сериясы. - 2023. - № 1 (109). - P. 5-13. - Bibliogr.: p. 10-11 ISSN 2518-7929.
UDC:
517.9
Subject headings
- Differential equations. Integral equations
Annotation
In the paper, the solvability of the nonlinear boundary optimization problem has been investigated for the oscillation processes, described by the integro-differential equation in partial derivatives with Fredholm integral operator
Keywords
general solution, nonlinear optimization, boundary vector control, functional, optimal conditions, property of equal relations
Kazakhstan
0/0 Free
periodical press (Magazines)
TOKMAGAMBETOVA T. D.
Tokmagambetova, T. D. On one solution of a periodic boundary value problem for a hyperbolic equations [Text] / T. D. Tokmagambetova, N. T. Orumbayeva // Қарағанды университетінің хабаршысы. Математика сериясы. - 2023. - № 1 (109). - P. 141-155. - On one solution of a periodic boundary value problem for a hyperbolic equations ISSN 2518-7929.
UDC:
517.9
Subject headings
- Differential equations. Integral equations
Annotation
In a rectangular domain, we consider a boundary value problem periodic in one variable for a system of partial differential equations of hyperbolic type
Keywords
boundary value problem, hyperbolic equations, algorithm, parametrization method, approximate solution
Kazakhstan
0/0 Free
periodical press (Magazines)
ФЕДЬКИН Е. М.
Федькин, Е. М. Olap-система анализа данных образовательного портала ВКГТУ [Текст] / Е. М. Федькин // Шығыстың аймақтық хабаршысы. - 2009. - № 4. - С. 48-52. ISSN 1683-1667.
UDC:
004.9:378
Subject headings
- Прикладные информационные (компьютерные) технологии в высшем образовании
Annotation
В статье рассматривается анализ данных образовательного портала Восточно-Казахстанского технического университета им. Д. Серикбаева (ВКГТУ)
Keywords
образовательные порталы, анализ данных образовательного портала, система анализа данных, OLAP-система, анализ учебной деятельности, внедрение OLAP-системы, информационные системы в высшем образовании
Kazakhstan
0/0 Free
periodical press (Magazines)
DYUSEMBAEVA A. N.
Dyusembaeva, A. N. Optimal choice of the geometric shape rotor blade wind turbine using the numerical method [Text] / A. N. Dyusembaeva, N. K. Tanasheva , A. Zh. Tleubergenova [et al.] // Қарағанды университетінің хабаршысы. Физика сериясы. - 2024. - Vol. 29, № 2 (114). - P. 53-64. - Bibliogr.: p. 62 ISSN 2518-7198.
UDC:
621.548
Subject headings
- Wind energy. Wind turbines
Annotation
In this work, in order to improve the output energy indicators, as well as increase the lifting force, a combined blade in the form of a rotating cylinder and a fixed blade was created and numerically studied
Keywords
wind turbine, combined blade, Magnus effect, aerodynamic force, three-dimensional modeling, Reynolds number, жел энергетикалық қондырғы, ветроэнергетическая установка
Kazakhstan
0/0 Free
periodical press (Magazines)
MURATBEKOV B. N.
Muratbekov, B. N. Organizing passenger flows at the station complex [Text] / B. N. Muratbekov, L. Vakhitova , G. Muratbekova [et al.] // Л.Н. Гумилев атындағы Еуразия ұлттық университетінің хабаршысы. Техникалық ғылымдар және технологиялар сериясы. - 2024. - № 1 (146). - P. 104-113. - Bibliogr.: p. 110-111 ISSN 2616-7263.
UDC:
656
Subject headings
- Traffic organization and control
Annotation
This article considers the issue of optimizing passenger traffic at the station complex in modern conditions
Keywords
passenger flow, prediction model, integrated timetable rescheduling, passenger routing, COVID-19
Kazakhstan
0/0 Free
periodical press (Magazines)
YESHKEYEV A. R.
Yeshkeyev, A. R. On categoricity questions for universal unars and undirected graphs under semantic Jonsson quasivariety [Text] / A. R. Yeshkeyev, A. R. Yarullina , S. M. Amanbekov // Қарағанды университетінің хабаршысы. Математика сериясы. - 2023. - № 3 (111). - P. 165-180. - Bibliogr.: p. 175-177 ISSN 2518-7929.
UDC:
510.6
Subject headings
- Mathematical logic
Annotation
The article is devoted to the study of semantic Jonsson quasivarieties of universal unars and undirected graphs
Keywords
Jonsson theory, unar, graph, undirected graph, universal theory, Robinson theory, quasivariety, semantic Jonsson quasivariety, Jonsson spectrum, Robinson spectrum, cosemanticness, countable categoricity
Kazakhstan
0/0 Free
periodical press (Magazines)
YESSENBAYEVA G. A.
Yessenbayeva, G. A. On the function approximation by trigonometric polynomials and the properties of families of function classes over harmonic intervals [Text] / G. A. Yessenbayeva, A. N. Yesbayev , N. K. Syzdykova [et al.] // Қарағанды университетінің хабаршысы. Математика сериясы. - 2023. - № 3 (111). - P. 181-190. - Bibliogr.: p. 187-188 ISSN 2518-7929.
UDC:
517.518.8
Subject headings
- Approximation of functions by polynomials and their generalizations
Annotation
The article is devoted to research on approximation theory
Keywords
harmonic interval, spectrum, Dirichlet kernel, trigonometric polynomials, family of function classes, function approximation
Kazakhstan
0/0 Free
periodical press (Magazines)
TLEUKHANOVA N. T.
Tleukhanova, N. T. On the Fourier transform of functions from a Lorentz space L 2,r with a mixed metric [Text] / N. T. Tleukhanova, G. K. Mussabayeva , M. Manarbek // Қарағанды университетінің хабаршысы. Математика сериясы. - 2023. - № 3 (111). - P. 138-151. - Bibliogr.: p. 148-149 ISSN 2518-7929.
UDC:
517.518.45
Subject headings
- Fourier series
Annotation
In the article a two-dimensional analog of the Bochkarev type theorem for the Fourier transform was received
Keywords
Lorentz Space, Hausdorff-Young-Riesz theorem, Bochkarev’s theorem, Cauchy-Bunyakovsky inequality, Helder’s inequality
Kazakhstan
0/0 Free
ARIPOV M. M.
ON CONVERGENCE OF DIFFERENCE SCHEMES OF HIGH ACCURACY FOR ONE PSEUDO-PARABOLIC SOBOLEV TYPE EQUATION
periodical press (Magazines)
0/0 Free
ASHYRALYEV А.
ON THE HYPERBOLIC TYPE DIFFERENTIAL EQUATION WITH TIME INVOLUTION
periodical press (Magazines)
0/0 Free
ABDYLDAEVA E. F.
ON THE SOLVABILITY OF A NONLINEAR OPTIMIZATION PROBLEM WITH BOUNDARY VECTOR CONTROL OF OSCILLATORY PROCESSES
periodical press (Magazines)
0/0 Free
TOKMAGAMBETOVA T. D.
ON ONE SOLUTION OF A PERIODIC BOUNDARY VALUE PROBLEM FOR A HYPERBOLIC EQUATIONS
periodical press (Magazines)
0/0 Free
periodical press (Magazines)
0/0 Free
DYUSEMBAEVA A. N.
OPTIMAL CHOICE OF THE GEOMETRIC SHAPE ROTOR BLADE WIND TURBINE USING THE NUMERICAL METHOD
periodical press (Magazines)
0/0 Free
periodical press (Magazines)
0/0 Free
YESHKEYEV A. R.
ON CATEGORICITY QUESTIONS FOR UNIVERSAL UNARS AND UNDIRECTED GRAPHS UNDER SEMANTIC JONSSON QUASIVARIETY
periodical press (Magazines)
0/0 Free
YESSENBAYEVA G. A.
ON THE FUNCTION APPROXIMATION BY TRIGONOMETRIC POLYNOMIALS AND THE PROPERTIES OF FAMILIES OF FUNCTION CLASSES OVER HARMONIC INTERVALS
periodical press (Magazines)
0/0 Free
TLEUKHANOVA N. T.
ON THE FOURIER TRANSFORM OF FUNCTIONS FROM A LORENTZ SPACE L 2,R WITH A MIXED METRIC
periodical press (Magazines)
0/0 Free