Relevant bibliographies by topics / MINRES method

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'MINRES method'

Author: Grafiati
Published: 6 September 2023
Last updated: 7 September 2023

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Journal articles on the topic "MINRES method"

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Jian, Ling, Shuqian Shen, and Yunquan Song. "Improving the Solution of Least Squares Support Vector Machines with Application to a Blast Furnace System." Journal of Applied Mathematics 2012 (2012): 1–12. http://dx.doi.org/10.1155/2012/949654.

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The solution of least squares support vector machines (LS-SVMs) is characterized by a specific linear system, that is, a saddle point system. Approaches for its numerical solutions such as conjugate methods Sykens and Vandewalle (1999) and null space methods Chu et al. (2005) have been proposed. To speed up the solution of LS-SVM, this paper employs the minimal residual (MINRES) method to solve the above saddle point system directly. Theoretical analysis indicates that the MINRES method is more efficient than the conjugate gradient method and the null space method for solving the saddle point system. Experiments on benchmark data sets show that compared with mainstream algorithms for LS-SVM, the proposed approach significantly reduces the training time and keeps comparable accuracy. To heel, the LS-SVM based on MINRES method is used to track a practical problem originated from blast furnace iron-making process: changing trend prediction of silicon content in hot metal. The MINRES method-based LS-SVM can effectively perform feature reduction and model selection simultaneously, so it is a practical tool for the silicon trend prediction task.
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Ogino, Masao, Shin-ichiro Sugimoto, Seigo Terada, Yanqing Bao, and Hiroshi Kanayama. "A Large-Scale Magnetostatic Analysis Using an Iterative Domain Decomposition Method Based on the Minimal Residual Method." Journal of Advanced Computational Intelligence and Intelligent Informatics 16, no. 4 (June 20, 2012): 496–502. http://dx.doi.org/10.20965/jaciii.2012.p0496.

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This paper describes a large-scale 3D magnetostatic analysis using the Domain Decomposition Method (DDM). To improve the convergence of the interface problem of DDM, a DDM approach based on the Conjugate Residual (CR) method or the MINimal RESidual (MINRES) method is proposed. The CR or MINRES method improved the convergence rate and showed more stable convergence behavior in solving the interface problem than the Conjugate Gradient (CG) method, and reduced computation time for a large-scale problem with about 10 million degrees of freedom.
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Chin-Lung Fong, David, and Michael Saunders. "CG Versus MINRES: An Empirical Comparison." Sultan Qaboos University Journal for Science [SQUJS] 16 (April 1, 2012): 44. http://dx.doi.org/10.24200/squjs.vol17iss1pp44-62.

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For iterative solution of symmetric systems the conjugate gradient method (CG) is commonly used when A is positive definite, while the minimum residual method (MINRES) is typically reserved for indefinite systems. We investigate the sequence of approximate solutions generated by each method and suggest that even if A is positive definite, MINRES may be preferable to CG if iterations are to be terminated early. In particular, we show for MINRES that the solution norms are monotonically increasing when A is positive definite (as was already known for CG), and the solution errors are monotonically decreasing. We also show that the backward errors for the MINRES iterates are monotonically decreasing.
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Luk, Franklin T. "On the Minres Method of Factor Analysis." SIAM Journal on Scientific and Statistical Computing 6, no. 3 (July 1985): 562–72. http://dx.doi.org/10.1137/0906039.

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Li, Xin, Hao Liu, and Jingfu Zhu. "MINRES Seed Projection Methods for Solving Symmetric Linear Systems with Multiple Right-Hand Sides." Mathematical Problems in Engineering 2014 (2014): 1–6. http://dx.doi.org/10.1155/2014/357874.

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We consider the MINRES seed projection method for solving multiple right-hand side linear systemsAX=B, whereA∈Rn×nis a nonsingular symmetric matrix,B∈Rn×p. In general, GMRES seed projection method is one of the effective methods for solving multiple right-hand side linear systems. However, when the coefficient matrix is symmetric, the efficiency of this method would be weak. MINRES seed projection method for solving symmetric systems with multiple right-hand sides is proposed in this paper, and the residual estimation is analyzed. The numerical examples show the efficiency of this method.
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Pestana, J., and A. J. Wathen. "A Preconditioned MINRES Method for Nonsymmetric Toeplitz Matrices." SIAM Journal on Matrix Analysis and Applications 36, no. 1 (January 2015): 273–88. http://dx.doi.org/10.1137/140974213.

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Soodhalter, Kirk M. "A block MINRES algorithm based on the band Lanczos method." Numerical Algorithms 69, no. 3 (September 24, 2014): 473–94. http://dx.doi.org/10.1007/s11075-014-9907-z.

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Xie, Ze-Jia, Xiao-Qing Jin, and Zhi Zhao. "A Convergence Analysis of the MINRES Method for Some Hermitian Indefinite Systems." East Asian Journal on Applied Mathematics 7, no. 4 (November 2017): 827–36. http://dx.doi.org/10.4208/eajam.181016.300517h.

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AbstractSome convergence bounds of the minimal residual (MINRES) method are studied when the method is applied for solving Hermitian indefinite linear systems. The matrices of these linear systems are supposed to have some properties so that their spectra are all clustered around ±1. New convergence bounds depending on the spectrum of the coefficient matrix are presented. Some numerical experiments are shown to demonstrate our theoretical results.
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Muzhinji, Kizito, Stanford Shateyi, and Sandile Motsa. "The Mixed Finite Element Multigrid Preconditioned MINRES Method for Stokes Equations." Journal of Applied Fluid Mechanics 9, no. 3 (May 1, 2016): 1285–96. http://dx.doi.org/10.18869/acadpub.jafm.68.228.22805.

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Kanayama, Hiroshi, Masao Ogino, Shin-Ichiro Sugimoto, and Seigo Terada. "Large-Scale Magnetostatic Domain Decomposition Analysis Based on the MINRES Method." IEEE Transactions on Magnetics 49, no. 5 (May 2013): 1565–68. http://dx.doi.org/10.1109/tmag.2013.2238612.

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Dissertations / Theses on the topic "MINRES method"

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Freitag, Melina. "Inner-outer iterative methods for eigenvalue problems : convergence and preconditioning." Thesis, University of Bath, 2007. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.512248.

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Many methods for computing eigenvalues of a large sparse matrix involve shift-invert transformations which require the solution of a shifted linear system at each step. This thesis deals with shift-invert iterative techniques for solving eigenvalue problems where the arising linear systems are solved inexactly using a second iterative technique. This approach leads to an inner-outer type algorithm. We provide convergence results for the outer iterative eigenvalue computation as well as techniques for efficient inner solves. In particular eigenvalue computations using inexact inverse iteration, the Jacobi-Davidson method without subspace expansion and the shift-invert Arnoldi method as a subspace method are investigated in detail. A general convergence result for inexact inverse iteration for the non-Hermitian generalised eigenvalue problem is given, using only minimal assumptions. This convergence result is obtained in two different ways; on the one hand, we use an equivalence result between inexact inverse iteration applied to the generalised eigenproblem and modified Newton's method; on the other hand, a splitting method is used which generalises the idea of orthogonal decomposition. Both approaches also include an analysis for the convergence theory of a version of inexact Jacobi-Davidson method, where equivalences between Newton's method, inverse iteration and the Jacobi-Davidson method are exploited. To improve the efficiency of the inner iterative solves we introduce a new tuning strategy which can be applied to any standard preconditioner. We give a detailed analysis on this new preconditioning idea and show how the number of iterations for the inner iterative method and hence the total number of iterations can be reduced significantly by the application of this tuning strategy. The analysis of the tuned preconditioner is carried out for both Hermitian and non-Hermitian eigenproblems. We show how the preconditioner can be implemented efficiently and illustrate its performance using various numerical examples. An equivalence result between the preconditioned simplified Jacobi-Davidson method and inexact inverse iteration with the tuned preconditioner is given. Finally, we discuss the shift-invert Arnoldi method both in the standard and restarted fashion. First, existing relaxation strategies for the outer iterative solves are extended to implicitly restarted Arnoldi's method. Second, we apply the idea of tuning the preconditioner to the inner iterative solve. As for inexact inverse iteration the tuned preconditioner for inexact Arnoldi's method is shown to provide significant savings in the number of inner solves. The theory in this thesis is supported by many numerical examples.
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Pranjal, Pranjal. "Optimal iterative solvers for linear systems with stochastic PDE origins : balanced black-box stopping tests." Thesis, University of Manchester, 2017. https://www.research.manchester.ac.uk/portal/en/theses/optimal-iterative-solvers-for-linear-systems-with-stochastic-pde-origins-balanced-blackbox-stopping-tests(4fd0d668-3271-4615-9def-07fc9fe2ea9e).html.

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The central theme of this thesis is the design of optimal balanced black-box stopping criteria in iterative solvers of symmetric positive-definite, symmetric indefinite, and nonsymmetric linear systems arising from finite element approximation of stochastic (parametric) partial differential equations. For a given stochastic and spatial approximation, it is known that iteratively solving the corresponding linear(ized) system(s) of equations to too tight algebraic error tolerance results in a wastage of computational resources without decreasing the usually unknown approximation error. In order to stop optimally-by avoiding unnecessary computations and premature stopping-algebraic error and a posteriori approximation error estimate must be balanced at the optimal stopping iteration. Efficient and reliable a posteriori error estimators do exist for close estimation of the approximation error in a finite element setting. But the algebraic error is generally unknown since the exact algebraic solution is not usually available. Obtaining tractable upper and lower bounds on the algebraic error in terms of a readily computable and monotonically decreasing quantity (if any) of the chosen iterative solver is the distinctive feature of the designed optimal balanced stopping strategy. Moreover, this work states the exact constants, that is, there are no user-defined parameters in the optimal balanced stopping tests. Hence, an iterative solver incorporating the optimal balanced stopping methodology that is presented here will be a black-box iterative solver. Typically, employing such a stopping methodology would lead to huge computational savings and in any case would definitely rule out premature stopping. The constants in the devised optimal balanced black-box stopping tests in MINRES solver for solving symmetric positive-definite and symmetric indefinite linear systems can be estimated cheaply on-the- fly. The contribution of this thesis goes one step further for the nonsymmetric case in the sense that it not only provides an optimal balanced black-box stopping test in a memory-expensive Krylov solver like GMRES but it also presents an optimal balanced black-box stopping test in memory-inexpensive Krylov solvers such as BICGSTAB(L), TFQMR etc. Currently, little convergence theory exists for the memory-inexpensive Krylov solvers and hence devising stopping criteria for them is an active field of research. Also, an optimal balanced black-box stopping criterion is proposed for nonlinear (Picard or Newton) iterative method that is used for solving the finite dimensional Navier-Stokes equations. The optimal balanced black-box stopping methodology presented in this thesis can be generalized for any iterative solver of a linear(ized) system arising from numerical approximation of a partial differential equation. The only prerequisites for this purpose are the existence of a cheap and tight a posteriori error estimator for the approximation error along with cheap and tractable bounds on the algebraic error.
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MASSON, MICHELE. "Etude par spectrometrie raman de films tres minces et d'interfaces." Paris 6, 1988. http://www.theses.fr/1988PA066405.

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Un montage par excitation des plasmons de surface est mis au point pour etudier les interfaces et les couches minces. Cette technique est appliquee a l'etude des films solides deposes par la methode langmuir blodgett et a l'etude de l'interface liquide/solide
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Bourouga, Brahim. "Etude d'une methode de mesure instationnaire de resistance thermique de contact entre parois cylindriques concentriques minces." Nantes, 1986. http://www.theses.fr/1986NANT2063.

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Developpement d'dune methode de mesure de resistance thermique de contact dans des doubles tubes metalliques minces destines a la fabrication de condenseurs pour des installations nucleaire. La methode, qui fonctionne en regime instationnaire, est basee sur l'analyse de la reponse de l'echantillon a une sollicitation thermique du type echelon temperature
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Griso, Georges. "Etudes asymptotiques de structures réticulées minces." Paris 6, 1995. http://www.theses.fr/1995PA066338.

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La premiere partie de cette these est consacree a l'etude asymptotique de problemes elliptiques du second ordre, dans une structure reticulee periodique dependant de deux parametres, avec differentes conditions sur la frontiere des trous de la structure. La deuxieme partie de cette these a pour objet l'obtention d'un modele de jonction des poutres et l'application de ce modele a l'etude d'une grue
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Westberg, Daniel. "A sensor fusion method for detection of surface laid land mines." Thesis, Linköping University, Department of Electrical Engineering, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-10479.

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Landminor är ett stort problem både under och efter krigstid. De metoder som används för att detektera minor har inte ändrats mycket sedan 1940-talet. Forskning med mål att utvärdera olika elektro-optiska sensorer och metoder som skulle kunna användas för att skapa mer effektiv min-detektion genomförs på FOI. Försök som har gjorts med data från bland annat laser-radar och IR-sensorer har gett intressanta resultat.

I det här examensarbetet utvärderades olika fenomen och egenskaper i laser-radar- och IR-data. De testade egenskaperna var intensitet, IR, ytlikhet och höjd.

En metod som segmenterar intressanta objekt och bakgrundsdata utformades och implementerades. Metoden använde sig av expectation-maximization-skattning och ett minimum message length-kriterium. Ett scatter separability-kriterium användes för att bestämma kvalitén på de olika egenskaperna och på den resulterande segmenteringen.

Data insamlad under en mätkampanj av FOI användes för att testa metoden. Resultatet visade bland annat att ytlikhetsmåttet gav en bra segmentering för stora objekt med släta ytor, men var sämre för små objekt med skrovliga ytor. Vid jämförelse med en manuellt skapad mål-mask visade det sig att metoden klarade av att välja ut egenskaper som i många fall gav en godkänd segmentering.


Land mines are a huge problem in conflict time and after. Methods used to detect mines have not changed much since the 1940's. Research aiming to evaluate output from different electro-optical sensors and develop methods for more efficient mine detection is performed at FOI. Early experiments with laser radar sensors show promising results, as do analysis of data from infrared sensors.

In this thesis, an evaluation is made of features found in laser radar- and in infrared -sensor data. The tested features are intensity, infrared, a surfaceness feature extracted from the laser radar data and height above an estimated ground plane.

A method for segmenting interesting objects from background data using theexpectation-maximization algorithm and a minimum message length criterion is designed and implemented. A scatter separability criterion is utilized to determine the quality of the features and the resulting segmentation.

The method is tested on real data from a field trial performed by FOI. The results show that the surfaceness feature supports the segmentation of larger object with smooth surfaces but gives no contribution to small object with irregular surfaces. The method produces a decent result of selecting contributing features for different neighbourhoods of a scene. A comparison with a manually created target mask of the neighbourhood and the segmented components show that in most cases a high percentage separation of mine data and background data is possible.

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Attipou, Kodjo. "Étude des instabilités dans les membranes minces sous chargements thermomécaniques." Thesis, Université de Lorraine, 2015. http://www.theses.fr/2015LORR0207/document.

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Le plissement est généralement observé dans les structures minces ayant un comportement de type membrane. Ces structures minces ne supportent pas d'effort de flexion et sont donc sollicitées en traction. Dans cette thèse, nous avons développé une technique de réduction de modèle pour la modélisation du plissement des membranes minces. Cette technique, basée sur les séries de Fourier à double échelle, permet de déduire d'un modèle complet de membrane, un modèle réduit capable de prendre en compte les instabilités globales et locales. Les valeurs critiques de charge et longueur d'onde sont déterminées analytiquement puis numériquement. Des exemples numériques nous ont permis de valider le modèle numérique par rapport au modèle analytique. Les modèles numériques étudiés prennent en compte le modèle complet et le modèle réduit de la membrane. Le modèle complet est simulé dans Abaqus et résolu numériquement à l'aide de la méthode de la longueur d'arc et le modèle réduit est implémenté dans Matlab et résolu numériquement à l'aide de la méthode asymptotique numérique. Nous avons étudié le comportement de la membrane sous sollicitation mécanique, thermique et thermo-mécanique. Les résultats obtenus montrent que le modèle réduit est capable de se substituer au modèle complet dans la détermination des contraintes critiques et longueurs d'onde correspondantes. Le gain en temps de calcul obtenu est important, ceci grâce à la très faible densité de maillage requis par le modèle réduit. Le modèle réduit est très sensible aux conditions aux bords de la membrane et requiert d'avoir une longueur d'onde des plis quasiment constante dans la largeur de la membrane
Wrinkling is an instability phenomenon generally observed in thin structures with membrane's behavior. Those thin structures have no rigidity to flexion and are therefore used in traction. In this thesis, we developed a reduction model's technique for the modeling of wrinkling phenomenon in thin membranes. This technique, based on the double scale Fourier series, allow us to deduce from a full membrane model, a reduced membrane model that is able to take into account the global and local instability of the structure. The critical load and critical wavelength are determined analytically on one side, then numerically on the other side. Numerical exemples are conducted to validate the numerical model towards the analytical one. Numerical models studied take into account both full and reduce membrane models. The full model is simulated in Abaqus and solved numerically using the arc length method and the reduced model is implemented in Matlab and solved numerically using the asymptotic numerical method. We studied the membrane behavior under mechanical, thermal and thermo-mechanical loading. The results obtained show that the full membrane model can be replaced by the reduced one in determining critical loads and corresponding wavelengths. The gain in computation time obtained is important, due to the coarse mesh required by the reduced model. The reduced model is very sensitive to membrane's boundaries conditions and requires to have a quasi constant wavelength along the membrane width
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ROBERTS, MARK CULMER. "THEORY AND PRACTICE OF THE INTENSITY OF USE METHOD OF MINERAL CONSUMPTION FORECASTING (MINERAL, ECONOMICS)." Diss., The University of Arizona, 1985. http://hdl.handle.net/10150/187962.

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The intensity of use of a mineral is traditionally defined as the consumption (production plus net imports) of the mineral divided by gross national product. It has been proposed that this ratio of raw material input to gross economic output is a predictable function of per capita income and that the relationship is based on economic theory. Though the theory has never been clearly defined, the intensity of use method has been used to make long term forecasts. This dissertation formulates a theoretical model of the consumption of minerals and the resulting intensity of use which is used to test the validity of the traditional intensity of use measure and its forecasting ability. Previous justifications of the intensity of use hypothesis state that changes in technical efficiency, substitution rates among inputs, and demands are explained by per capita income, which, as it grows, produces a regular intensity of use pattern. The model developed in this research shows that the life of the goods in use, foreign trade of raw and final goods, prices, consumer preferences, technical innovations, as well as the above factors fully explain economic use, which is not simply a function of per capita income. The complete model is used to restate the traditional theory of intensity of use and to examine the sensitivity of traditional measures to changes in the explanatory variables which are commonly omitted. The full model demonstrates the parameters that must be examined when making a long term forecast. Regular intensity of use patterns are observed for many minerals in many nations. Setting aside the theoretical questions, the intensity of use method is often used to make long term projections based on these trends in intensity of use as well as the trends in population and gross national product. This dissertation examines the forecasting ability of the traditional intensity of use method and finds that it is not necessarily an improvement over naive consumption time trend forecasts. Furthermore, it is unstable for very long term projections.
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Bretall, Damien Carl. "Inverse hybrid method for determining explosive loading on plates due to buried mines." College Park, Md.: University of Maryland, 2007. http://hdl.handle.net/1903/7814.

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Thesis (M.S.) -- University of Maryland, College Park, 2007.
Thesis research directed by: Dept. of Mechanical Engineering. Title from t.p. of PDF. Includes bibliographical references. Published by UMI Dissertation Services, Ann Arbor, Mich. Also available in paper.
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Nguyen, Thanh Trung. "Méthode PEEC inductive par élément de facette pour la modélisation des régions conductrices volumiques et minces." Thesis, Grenoble, 2014. http://www.theses.fr/2014GRENT049/document.

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La méthode PEEC est connue comme une bonne méthode pour la modélisation des interconnexions électriques dans les domaines de l’électronique de puissance et l’électrotechnique. Elle s'applique à une large gamme de dispositifs : circuits imprimés, bus-barres, conducteurs massifs. Elle est particulièrement bien adaptée pour la modélisation de régions conductrices du type filaire. Cependant, elle est requise d’un maillage structuré(discrétisation des géométries en quadrangles) et l’approche est limitée en fréquence (grande épaisseur de peau). Enfin, il semble actuellement difficile d’envisager la modélisation de conducteurs volumiques dans une formulation PEEC standard.Cette thèse développe des formulations intégrales en utilisant des éléments de facette afin d’lever des verrous de la méthode PEEC standard évoqués ci-dessus. Elle constitue de fait une généralisation de la méthode PEEC standard par la prise en compte de maillages non structurés (volumique et surfacique) et la prise en compte de notion de régions minces à faible épaisseur de peau.Les applications visées sont la modélisation de systèmes de conducteurs complexes (des régions non simplement connexes) en prenant en compte des connexions entre des régions (volumique/filaire, surfacique/filaire,volumique/surfacique et surfacique/surfacique)
The PEEC method is known as a good method for modeling electrical connections in the domains of powerelectronics and electrical engineering. It applies to a wide range of devices: printed circuits, bus-bars, solidconductors. It is particularly well adapted for modeling the wire type conductive regions. However, it is requireda structured mesh (discretization geometries quadrangles) and this approach is limited in frequency (high skindepth). Finally, it now seems difficult to envisage modeling of the volume conductors in standard PEECformulation.This thesis develops integrals formulations using facet elements to improve the above mentioned limitations ofthe standard PEEC method. It is in fact a generalization of the standard PEEC method by taking into accountunstructured meshes (volume and surface) and taking into account the notion of thin region with a small skindepth.The applications are the modeling of complex systems of conductors (non-simply connected regions) taking intoaccount the connections between regions (volume / wireframe, surface / wired volume / surface and surface /surface)
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Books on the topic "MINRES method"

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Burdick, Richard G. A method for locating abandoned mines. Pittsburgh, Pa. (Cochrans Mill Rd., P.O. Box 18070, Pittsburgh 15236): U.S. Dept. of the Interior, Bureau of Mines, 1986.

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Komarov, Evgeniy. Geotechnology: underground mine workings and their fixing. ru: INFRA-M Academic Publishing LLC., 2020. http://dx.doi.org/10.12737/1064750.

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The textbook describes the basic concepts of underground mine workings, assessment of their stability, modern methods of fastening and protection during the entire life of mines and mines. Examples of calculating the rational cross-sectional area of mine workings and questions for self-testing aimed at consolidating the knowledge and competencies obtained by students are given. It is intended for students of all specializations studying in the field of Mining and studying the disciplines " Underground Geotechnology "and" Construction Geotechnology", since it is a basic informative carrier of professional knowledge and competencies.
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Mayton, Alan G. A photographic method for determining mineral reflectances in underground mines. Washington, DC: U.S. Dept. of the Interior, 1987.

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Ackman, Terry E. A method to reduce surface water infiltration into underground mines. Lexington, KY: University of Kentucky, 1988.

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Mayton, Alan G. A photographic method for determining mineral reflectances in underground mines. Pittsburgh, Pa. (Cochrans Mill Road, P.O. Box 18070, Pittsburgh, Pa. 15236): U.S. Dept. of the Interior, Bureau of Mines, 1987.

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Peters, Robert H. Strategies for improving miners' training. Cincinnati, OH (4676 Columbia Parkway, Cincinnati, 45226-1998): U.S. Dept. of Health and Human Services, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, Pittsburgh, PA and Spokane, WA Research Laboratories, 2002.

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Canada Centre For Mineral and Energy Technology. Mineral Research Program. Methods For Evaluating Weak Ground, Les Mines Selbaie, Quebec. S.l: s.n, 1985.

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Hiltmar, Schubert, and Kuznetsov Andrey, eds. Detection of explosives and landmines: Methods and field experience. Dordrecht: Kluwer Academic Publishers, 2002.

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Silva, Michael A. Placer gold recovery methods. Sacramento: Division of Mines and Geology, 1986.

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Dong, Shuning, Wanfang Zhou, Qisheng Liu, Hao Wang, and Yadong Ji. Methods and Techniques for Preventing and Mitigating Water Hazards in Mines. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-67059-7.

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Book chapters on the topic "MINRES method"

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McCulloch, Jock, and Pavla Miller. "Technologies, Care and Repatriations: 1926–1966." In Mining Gold and Manufacturing Ignorance, 345–69. Singapore: Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-19-8327-6_13.

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AbstractUntil 1950, there was no effective chemotherapy for tuberculosis. Treatment consisted of an enhanced diet, isolation, and skilled nursing—methods which were expensive and not greatly effective. The centrepiece of the mines’ management of tuberculosis was repatriation of sick miners, without notification of local authorities, isolation of those with infective disease, or education of those around them on how to avoid infection. This approach enhanced the mines’ profitability but confounded every principle of public health. In the 1950s, the development of mass miniature radiography and the discovery of new drugs for the treatment of tuberculosis radically changed the available technologies of care. In discussing international standards of compensation for occupational lung disease, ILO held that the worker’s history of dust exposure, a clinical examination and radiographic findings had to be considered. The Chamber of Mines used mass miniature radiography for a different purpose: those with dusted lungs were identified at entry medicals and then repatriated without compensation. Where chemotherapy was provided to sick miners, the treatment rarely lasted more than a month; as a result, most patients developed drug resistant tuberculosis. Today, South Africa and its labour-sending regions have one of the world’s highest rates of multi-drug-resistant TB.
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Cheng, Jianwei. "Improved Explosibility Diagram Method." In Explosions in Underground Coal Mines, 125–47. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-74893-1_4.

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Niewiadomski, J. "Application of Singular Value Decomposition Method for Location of Seismic Events in Mines." In Seismicity in Mines, 553–70. Basel: Birkhäuser Basel, 1989. http://dx.doi.org/10.1007/978-3-0348-9270-4_17.

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Divyabarathi, G., S. Shailesh, M. V. Judy, and R. Krishnakumar. "A Novel Ensemble Method for Underwater Mines Classification." In Innovative Data Communication Technologies and Application, 555–65. Singapore: Springer Singapore, 2022. http://dx.doi.org/10.1007/978-981-16-7167-8_40.

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Dubiński, Józef, and Janusz Dworak. "Recognition of the Zones of Seismic Hazard in Polish Coal Mines by Using a Seismic Method." In Seismicity in Mines, 609–17. Basel: Birkhäuser Basel, 1989. http://dx.doi.org/10.1007/978-3-0348-9270-4_20.

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Szlązak, Nikodem, Dariusz Obracaj, and Justyna Swolkień. "Methods of Methane Control in Polish Coal Mines." In Proceedings of the 11th International Mine Ventilation Congress, 292–307. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-13-1420-9_25.

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Dey, Kaushik, and C. Uday Kumar. "A New Classification Method for Predicting Performance of Continuous Miners." In Research Developments in Geotechnics, Geo-Informatics and Remote Sensing, 179–81. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-72896-0_39.

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Schrauf, Robert W., and Ramon Durazo-Arvizu. "11. Bilingual Autobiographical Memory and Emotion: Theory and Methods." In Bilingual Minds, edited by Aneta Pavlenko, 284–311. Bristol, Blue Ridge Summit: Multilingual Matters, 2006. http://dx.doi.org/10.21832/9781853598746-013.

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Krausa, M., H. Massong, P. Rabenecker, and H. Ziegler. "Chemical methods for the detection of mines and explosives." In Detection of Explosives and Landmines, 1–19. Dordrecht: Springer Netherlands, 2002. http://dx.doi.org/10.1007/978-94-010-0397-1_1.

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Zhang, Jun, Yunlong Wang, Dezhi Wang, Zhigang Zhao, and Xiong Luo. "Safety Supervision for Coal Mines Using Machine Learning Methods." In Communications in Computer and Information Science, 3–14. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-33-4336-8_1.

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Conference papers on the topic "MINRES method"

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Calvetti, Daniela, Bryan Lewis, and Lothar Reichel. "L-curve for the MINRES method." In International Symposium on Optical Science and Technology, edited by Franklin T. Luk. SPIE, 2000. http://dx.doi.org/10.1117/12.406517.

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Ogino, Masao, Amane Takei, and Shin-ichiro Sugimoto. "A domain decomposition method based on an algorithm of the MINRES method for high-frequency electromagnetic field analysis." In 2016 IEEE Conference on Electromagnetic Field Computation (CEFC). IEEE, 2016. http://dx.doi.org/10.1109/cefc.2016.7816241.

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Bickson, Joseph, David Yantek, Justin Srednicki, Jacob Carr, Cory DeGennaro, and Miguel Reyes. "Evaluation of Thermal Displacement Ventilation in Contamination Purging Inside a 60-Person Built-in-Place Refuge Alternative (BIP RA) in an Underground Coal Mine." In ASME 2020 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/imece2020-23387.

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Abstract Federal regulations require the installation of refuge alternatives (RAs) in underground coal mines to ensure miners’ survivability after a fire or an explosion where escape is impractical or even impossible. Both fires and explosions can generate dangerous or even lethal levels of carbon monoxide (CO) in a mine. As part of their function, RAs must be able to isolate miners from a CO-contaminated mine environment and to purge any CO that might enter the RA as miners enter it. In 2018, researchers from the National Institute for Occupational Safety and Health (NIOSH) conducted purging research in a built-in-place (BIP) RA with a borehole air supply by testing 12 different mixing ventilation system configurations (MVSCs). Recently, NIOSH researchers evaluated the use of a thermal displacement ventilation system configuration (TDVSC) to purge a 60-person BIP RA using a borehole air supply. As in previous research, NIOSH researchers tested the TDVSC with the flow rates of 750 SCFM and then 1,000 SCFM. For each of the flow rates, the results showed that the average purge time for the more expensive TDVSC is within two minutes of the average purge times of previously tested MVSCs. Manufacturers can use this information to not only pursue 30 CFR Part 7 approval from the Mine Safety and Health Administration (MSHA), but also to determine the most practical method to purge contaminants inside RAs.
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Balageas, D., and P. Levesque. "Mines detection using the EMIR® method." In 2002 Quantitative InfraRed Thermography. QIRT Council, 2002. http://dx.doi.org/10.21611/qirt.2002.007.

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Winter, Edwin M., and Miranda Schatten Silvious. "Spectral methods to detect surface mines." In SPIE Defense and Security Symposium, edited by Russell S. Harmon, John H. Holloway, Jr., and J. Thomas Broach. SPIE, 2008. http://dx.doi.org/10.1117/12.783022.

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Jiang, Huiyan, Rui Zhang, Hongjuan Liu, Beilei Wang, and Yuanfei Li. "An Improved 3D Reconstruction Method." In 2009 International Conference on Multimedia Information Networking and Security. IEEE, 2009. http://dx.doi.org/10.1109/mines.2009.168.

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Khani, Mohammad. "Practical long-term planning in narrow vein mines — a case study." In International Seminar on Design Methods in Underground Mining. Australian Centre for Geomechanics, Perth, 2015. http://dx.doi.org/10.36487/acg_rep/1511_31_khani.

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Camargo, Hugo E., Jeffrey S. Peterson, and Amanda S. Azman. "Identification and Ranking of Noise Sources on a Jumbo Drill Machine During Operation." In ASME 2017 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/imece2017-72708.

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Noise-induced hearing loss (NIHL) is the second most prevalent illness in the mining industry. According to a study conducted by the National Institute for Occupational Safety and Health (NIOSH), in which over 42,000 audiograms from metal/nonmetal miners were analyzed, approximately 70% of miners have hearing impairment as compared to 9% of non-occupationally noise-exposed workers. One of the machines used extensively in metal/nonmetal mines responsible for high noise exposure levels of its operators is the jumbo drill, used to drill holes at the mines for blasting purposes. In this context, NIOSH is conducting research to develop engineering noise controls for jumbo drills that would reduce the prevalence of hearing loss among operators of this equipment. The first step of the noise control development process consists of identifying and ranking dominant noise sources present during operation of the jumbo drill. To this end, a noise study was conducted at NIOSH’s laboratories in which a microphone phased array system was used to identify dominant noise sources, and the transfer path analysis method was used to rank these sources based on their contribution to the operator location. Results showed that the drill string and the drilling mechanism — known as the drifter — are the dominant sound-radiating components in the operation of the jumbo drill.
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Nazeri, H., and G. G. W. Mustoe. "Application of DEM to Simulate Gravity Flow of Bulk Solid Materials in Mines." In Third International Conference on Discrete Element Methods. Reston, VA: American Society of Civil Engineers, 2002. http://dx.doi.org/10.1061/40647(259)70.

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Pregowski, Piotr, and Waldemar Swiderski. "Comparison method in IR thermal detection of buried mines." In Aerospace/Defense Sensing and Controls, edited by Abinash C. Dubey, James F. Harvey, and J. Thomas Broach. SPIE, 1998. http://dx.doi.org/10.1117/12.324174.

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Reports on the topic "MINRES method"

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Rossi, Jose Luiz, Carlos Piccioni, Marina Rossi, and Daniel Cuajeiro. Brazilian Exchange Rate Forecasting in High Frequency. Inter-American Development Bank, September 2022. http://dx.doi.org/10.18235/0004488.

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We investigated the predictability of the Brazilian exchange rate at High Frequency (1, 5 and 15 minutes), using local and global economic variables as predictors. In addition to the Linear Regression method, we use Machine Learning algorithms such as Ridge, Lasso, Elastic Net, Random Forest and Gradient Boosting. When considering contemporary predictors, it is possible to outperform the Random Walk at all frequencies, with local economic variables having greater predictive power than global ones. Machine Learning methods are also capable of reducing the mean squared error. When we consider only lagged predictors, it is possible to beat the Random Walk if we also consider the Brazilian Real futures as an additional predictor, for the frequency of one minute and up to two minutes ahead, confirming the importance of the Brazilian futures market in determining the spot exchange rate.
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Hadden, Jr., J., and R. Smith. A coal mine ventilation survey method. Office of Scientific and Technical Information (OSTI), January 1987. http://dx.doi.org/10.2172/5464751.

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Rebelo, André, João R. Pereira, Diogo V. Martinho, and João Valente-dos-Santos. Rating of Perceived Exertion in Professional Volleyball: A Systematic Review. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, August 2022. http://dx.doi.org/10.37766/inplasy2022.8.0034.

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Review question / Objective: The purpose of the current review was to systematically and critically evaluate the use RPE-based methods in professional volleyball. Condition being studied: Monitoring athlete load is better understood through sub-dividing load into two groups – internal and external. Internal training load (ITL) refers to the physiological stress that a training session induces in the athlete. Rating of perceived exertion (RPE) has become the most common method of monitoring ITL. The RPE method was originally developed by Borg, and Foster et al. created a simple technique to quantify ITL using a modification of this scale. This technique is known as the session RPE (sRPE) and is derived by multiplying the overall RPE obtained at the end of a training session (or match), using the Borg Category-Ratio 10 scale (BORG-CR10) by the total duration (in minutes) of the training session, to provide a modified training impulse (TRIMP) score.
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Oliver, Amanda, Catherine Murphy, Edmund Howe, and John Vest. Comparing methods for estimating water surface elevation between gages in the Lower Mississippi River. Engineer Research and Development Center (U.S.), April 2023. http://dx.doi.org/10.21079/11681/46915.

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Predicting a water surface elevation (WSElev) at a particular location has a wide range of applications like determining if a levee will overtop or how much a dike notch will increase water flow into a secondary channel. Five existing methods for predicting the water’s surface, (1) daily slope, (2) average slope, (3) River Analysis System (RAS) 1D, (4) RAS 2D, and (5) Adaptive Hydraulics modeling system (AdH), were used to predict the Mississippi River’s daily water surface from 10 October 2014 to 31 May 2016 at Friar’s Point, Greenville, and Natchez gages. The error, calculated as the model-predicted water surface minus the gage-observed water surface, was compared among the methods. The average slope method, using Helena and Fair Landing gages, and the daily slope method, using either Memphis and Helena or Helena and Arkansas City gages, most closely estimated the observed WSElev. The RAS 1D predictions for Friar Point and Greenville produced more accurate estimates than the RAS 2D model and were the only estimates that did not show a pattern of over- or underestimation. When the daily slope method was applied to gages that were farther apart (Memphis and Arkansas City, Arkansas City and Vicksburg, or Vicksburg and Knoxville), the error became greater than most RAS 1D and 2D predictions. The low error and simple calculations of the daily slope and average slope methods using gages <110 river miles apart make these methods useful for calculating current and historic conditions. The lack of over- or underestimation in the RAS 1D predictions (for locations away from the edges of the model area) make this method a better choice for predicting average WSElevs and a good choice for forecasting future WSElevs.
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Downing, W. Logan, Howell Li, William T. Morgan, Cassandra McKee, and Darcy M. Bullock. Using Probe Data Analytics for Assessing Freeway Speed Reductions during Rain Events. Purdue University, 2021. http://dx.doi.org/10.5703/1288284317350.

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Rain impacts roadways such as wet pavement, standing water, decreased visibility, and wind gusts and can lead to hazardous driving conditions. This study investigates the use of high fidelity Doppler data at 1 km spatial and 2-minute temporal resolution in combination with commercial probe speed data on freeways. Segment-based space-mean speeds were used and drops in speeds during rainfall events of 5.5 mm/hour or greater over a one-month period on a section of four to six-lane interstate were assessed. Speed reductions were evaluated as a time series over a 1-hour window with the rain data. Three interpolation methods for estimating rainfall rates were tested and seven metrics were developed for the analysis. The study found sharp drops in speed of more than 40 mph occurred at estimated rainfall rates of 30 mm/hour or greater, but the drops did not become more severe beyond this threshold. The average time of first detected rainfall to impacting speeds was 17 minutes. The bilinear method detected the greatest number of events during the 1-month period, with the most conservative rate of predicted rainfall. The range of rainfall intensities were estimated between 7.5 to 106 mm/hour for the 39 events. This range was much greater than the heavy rainfall categorization at 16 mm/hour in previous studies reported in the literature. The bilinear interpolation method for Doppler data is recommended because it detected the greatest number of events and had the longest rain duration and lowest estimated maximum rainfall out of three methods tested, suggesting the method balanced awareness of the weather conditions around the roadway with isolated, localized rain intensities.
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Cavers, D. S., G. H. Baldwin, T. Hannah, and R. K. Singhal. Design methods for open pit coal mine footwalls. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1986. http://dx.doi.org/10.4095/304972.

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Gustavsson, M., H. Israelson, S. Ivansson, P. Moren, and J. Pihl. An experiment with the seismic crosshole method in an iron mine. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1986. http://dx.doi.org/10.4095/123614.

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Slagley, Jeremy M., and Steven E. Guffey. A Better Noise Compliance Method and Validation of Mine Noise Dosimetry Data. Fort Belvoir, VA: Defense Technical Information Center, June 2005. http://dx.doi.org/10.21236/ada434225.

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Camerini, U., D. B. Cline, J. G. Learned, A. K. Mann, L. K. Resvanis, and P. J. Wanderer. Two methods to measure the e/sup /plus minus// polarization at PEP. Office of Scientific and Technical Information (OSTI), January 1988. http://dx.doi.org/10.2172/6841614.

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Бакум, З. П., and В. О. Лапіна. Educational Dialogue in the Process of Foreign Language Training of Future Miners. Криворізький державний педагогічний університет, 2014. http://dx.doi.org/10.31812/0564/395.

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On the basis of scientific analysis the article authors develop a scheme that allows planning and organizing the process of learning foreign languages with the use of dialogic didactic means during foreign language training of future miners. The article gives a definition of „educational dialogue‟, observes its structure, and defines its stages: modeling (a future educational dialogue model designing and ways of its implementation at a lesson); motivational (identifying problem, task for solving which encourage further active learnsearch activity of educational dialogue participants); searching (finding out/discovering an effective or new method of problem solving; searching answers to the question); disputing (presenting and discussing results, different positions, viewpoints); concluding (analyzing results, summarizing, substantiating the best chosen way of solving tasks, versions, and opinions). The authors give recommendations for dialogic interaction organizing in the process of forming a foreign professionally oriented speech competence of mining students
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