Electronic catalog
Genre:Естественные науки (natural_sciences)
catalogue:Articles
Search result:
4221-4230 of 4649
periodical press (Magazines)
АРИНОВ Е.
Аринов, Е. Определение основного напряженно-деформированного состояния двухслойного сферического тела
[Текст] / Е. Аринов, Н. А. Испулов // ПМУ хабаршысы. Энергетикалық серия. - 2014. - № 2. - С. 12-16. ISSN 1811-1858.
UDC:
539.3
Subject headings
- Механика деформируемых тел. Упругость. Деформации
Annotation
В статье рассматриваются задачи определения напряженно-деформированного состояния двухслойного сферического тела
Keywords
упругость, деформации, двухслойное сферическое тело, теория упругости, механика деформируемых тел
Kazakhstan
0/0 Free
periodical press (Magazines)
АРИНОВ Е.
Аринов, Е. Некоторые прикладные задачи математической тектоники
[Текст] / Е. Аринов // ПМУ хабаршысы. Энергетикалық серия. - 2014. - № 2. - С. 9-11. ISSN 1811-1858.
UDC:
551.24
Subject headings
- Геотектоника. Движение земной коры. Тектонические структуры земной коры и их элементы
Annotation
В статье исследуются некоторые задачи тектонических процессов
Keywords
прикладные задачи, математическая тектоника, исследование тектонических процессов, геотектоника, тектоника
Kazakhstan
0/0 Free
periodical press (Magazines)
ДОСУМОВ К.
Досумов , К. Термиялық тұрақты поликсидті марганец катализаторларында метан және пропан-бутанның толық тотығуы [Мәтін] / К. Досумов , З. Т. Жексенбаева // ҚазҰУ хабаршысы. Химия сериясы (Хабаршы. Химия сериясы). - 2006. - № 4 (44). - 166-170 б. - Библиогр.: 169-170 б. ISSN 1563-0331.
UDC:
544.4
Subject headings
- Химиялық кинетика
Annotation
Мақалада термиялық тұрақты 2%Сe/Ө-Al2O3 тасымалдағышындағы 7%аSrCela катализаторында метан және пропан-бутанды жағудың технологиялық параметрлері әсерін зерттеу нәтижелері келтірілген
Keywords
катализатор , термиялық тұрақтылық , пропан-бутан қоспасы , каталитикалық тотығу, физикалық химия
Kazakhstan
0/0 Free
periodical press (Magazines)
ISMOILOV M. B.
Ismoilov, M. B. Hessian measures in the class of m-convex (m−cv) functions [Text] / M. B. Ismoilov, R. A. Sharipov // Қарағанды университетінің хабаршысы. Математика сериясы. - 2024. - № 3 (115). - P. 93-100. - Bibliogr.: p. 99-100 ISSN 2518-7929.
UDC:
517.518.244
Subject headings
- Convex functions
Annotation
In this work, a number of important properties of the class of m−cv functions are showed, in particular, Hessians Hk( u), k= 1,2, ..., n−m+ 1, in the class of bounded m−cv functions are studied
Keywords
m-convex function, hessians, strongly m-subharmonic function, Borel measures, differential equations
Kazakhstan
0/0 Free
periodical press (Magazines)
KERIMBEKOV A.
Kerimbekov, A. Synthesis of uniformly distributed optimal control with nonlinear optimization of oscillatory processes [Text] / A. Kerimbekov, Zh. K. Asanova , A. K. Baetov // Қарағанды университетінің хабаршысы. Математика сериясы. - 2024. - № 3 (115). - P. 101-111. - Bibliogr.: p. 110-111 ISSN 2518-7929.
UDC:
517.9
Subject headings
- Differential equations
Annotation
In the article, the problem of synthesizing uniformly distributed optimal control for nonlinear optimization of oscillatory processes described by integro-differential partial differential equations with the Volterra integral operator was explored
Keywords
Volterra operator, nonlinear optimization, Bellman functional, Frechet differential, Bellman type equations, synthesis of optimal control
Kazakhstan
0/0 Free
periodical press (Magazines)
ASHYRALYEV A.
Ashyralyev, A. Absolutely stable difference scheme for the delay partial differential equation with involution and Robin boundary condition [Text] / A. Ashyralyev, S. Ibrahim , E. Hincal // Қарағанды университетінің хабаршысы. Математика сериясы. - 2024. - № 3 (115). - P. 55-65. - Bibliogr.: p. 64-65 ISSN 2518-7929.
UDC:
517.9
Subject headings
- Differential equations
Annotation
This paper examines the initial value problem for a third-order delay partial differential equation with involution and Robin boundary condition
Keywords
involution, numerical algorithm, Robin boundary condition, third order partial differentiale quations, delay
Kazakhstan
0/0 Free
periodical press (Magazines)
AISAGALIEV S.
Aisagaliev, S. Controllability and optimal fast operation of nonlinear systems [Text] / S. Aisagaliev, G. Korpebay // Қарағанды университетінің хабаршысы. Математика сериясы. - 2024. - № 3 (115). - P. 77-92. - Bibliogr.: p. 91-92 ISSN 2518-7929.
UDC:
517.957
Subject headings
- Nonlinear equations and systems
Annotation
A new method for solving the problem of controllability and optimal transient behavior of nonlinear systems subject to boundary conditions and constraints on control values was proposed
Keywords
integrity constraints, integral equation, optimal performance, functional gradient, nonlinear systems
Kazakhstan
0/0 Free
periodical press (Magazines)
ASHYRALIYEV M.
Ashyraliyev, M. A stable difference scheme for the solution of a source identification problem for telegraph-parabolic equations [Text] / M. Ashyraliyev, M. A. Ashyralyyeva // Қарағанды университетінің хабаршысы. Математика сериясы. - 2024. - № 3 (115). - P. 46-54. - Bibliogr.: p. 52-53 ISSN 2518-7929.
UDC:
517.956.4
Subject headings
- Parabolic equations and systems
Annotation
In the present paper, a first order of accuracy difference scheme for the approximate solution of the inverse problem for telegraph-parabolic equations with an unknown spacewise dependent source term is constructed
Keywords
Difference scheme, source identification problem, telegraph-parabolic equation, stability estimates, differential equations
Kazakhstan
0/0 Free
periodical press (Magazines)
NAURYZBAYEV B. A.
Nauryzbayev, B. A. Improving mathematical problem-sol ving skills with an intelligent self-learning system : a randomized controlled trial study [Text] / B. A. Nauryzbayev, Zh. Zh. Akhmetova , N. I. Pak [and others] // Алматы энергетика және байланыс университетінің хабаршысы. - 2023. - № 3. - 67-77 р.. - Bibliogr.: 76 p.
ISSN 2790-0886.
UDC:
519.85
Subject headings
- Mathematical programming
Annotation
The article discusses an intelligent self-learning system for analyzing the learning process of solving mathematical problems
Keywords
Ml.net, machine learning, mathematics and artificial intelligence, mathematical programming, neural networks, artificial intelligence, artificial intelligence methods, solving mathematical problems
Kazakhstan
0/0 Free
periodical press (Magazines)
ASHUROV R. R.
Ashurov, R. R. On a non-local problem for a fractional differential equation of the Boussinesq type [Text] / R. R. Ashurov, Yu. E. Fayziev , M. U. Khudoykulova // Қарағанды университетінің хабаршысы. Математика сериясы. - 2024. - № 3 (115). - P. 34-45. - Bibliogr.: p. 44-45 ISSN 2518-7929.
UDC:
517.9
Subject headings
- Differential equations
Annotation
In this paper, a non-local problem for the Boussinesq type equation Dαtu(t) +ADαtu(t) +ν2Au(t) = 0,0< t < T,1< α <3/2 is studied, where Dαt is the Caputo fractional derivative, and A is an abstract operator
Keywords
fractional equation, Caputo derivative, forward and inverse problems, Fourier method, Boussinesq type
Kazakhstan
0/0 Free
АРИНОВ Е.
ОПРЕДЕЛЕНИЕ ОСНОВНОГО НАПРЯЖЕННО-ДЕФОРМИРОВАННОГО СОСТОЯНИЯ ДВУХСЛОЙНОГО СФЕРИЧЕСКОГО ТЕЛА
periodical press (Magazines)
0/0 Free
periodical press (Magazines)
0/0 Free
ДОСУМОВ К.
ТЕРМИЯЛЫҚ ТҰРАҚТЫ ПОЛИКСИДТІ МАРГАНЕЦ КАТАЛИЗАТОРЛАРЫНДА МЕТАН ЖӘНЕ ПРОПАН-БУТАННЫҢ ТОЛЫҚ ТОТЫҒУЫ
periodical press (Magazines)
0/0 Free
periodical press (Magazines)
0/0 Free
KERIMBEKOV A.
SYNTHESIS OF UNIFORMLY DISTRIBUTED OPTIMAL CONTROL WITH NONLINEAR OPTIMIZATION OF OSCILLATORY PROCESSES
periodical press (Magazines)
0/0 Free
ASHYRALYEV A.
ABSOLUTELY STABLE DIFFERENCE SCHEME FOR THE DELAY PARTIAL DIFFERENTIAL EQUATION WITH INVOLUTION AND ROBIN BOUNDARY CONDITION
periodical press (Magazines)
0/0 Free
AISAGALIEV S.
CONTROLLABILITY AND OPTIMAL FAST OPERATION OF NONLINEAR SYSTEMS
periodical press (Magazines)
0/0 Free
ASHYRALIYEV M.
A STABLE DIFFERENCE SCHEME FOR THE SOLUTION OF A SOURCE IDENTIFICATION PROBLEM FOR TELEGRAPH-PARABOLIC EQUATIONS
periodical press (Magazines)
0/0 Free
NAURYZBAYEV B. A.
IMPROVING MATHEMATICAL PROBLEM-SOL VING SKILLS WITH AN INTELLIGENT SELF-LEARNING SYSTEM : A RANDOMIZED CONTROLLED TRIAL STUDY
periodical press (Magazines)
0/0 Free
ASHUROV R. R.
ON A NON-LOCAL PROBLEM FOR A FRACTIONAL DIFFERENTIAL EQUATION OF THE BOUSSINESQ TYPE
periodical press (Magazines)
0/0 Free