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Zubiaga, Pena Carlos Jorge. "Real-time 2D manipulation of plausible 3D appearance using shading and geometry buffers". Thesis, Bordeaux, 2016. http://www.theses.fr/2016BORD0178/document.
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Les artistes traditionnels peignent directement sur une toile et créent des apparences plausibles de scènes qui ressemblent au monde réel. A l’opposé, les artistes en informatique graphique définissent des objets dans une scène virtuelle (maillages 3D, matériaux et sources de lumière), et utilisent des algorithmes complexes (rendu) pour reproduire leur apparence. D’un côté, les techniques de peinture permettent de librement définir l’apparence. D’un autre côté, les techniques de rendu permettent de modifier séparément et dynamiquement les différents éléments qui définissent l’apparence. Dans cette thèse, nous présentons une approche intermédiaire pour manipuler l’apparence, qui permettent certaines manipulations en 3D en travaillant dans l’espace 2D. Mous étudions d’abord l’impact sur l’ombrage des matériaux, tenant en compte des matériaux comme des filtres passe-bande d’éclairage. Nous présentons ensuite un petit ensemble de relations statistiques locales entre les matériaux / l’éclairage et l’ombrage. Ces relations sont utilisées pour imiter les modifications sur le matériaux ou l’éclairage d’une image d’une sphère créée par un artiste. Les techniques connues sons le nom de LitSpheres / MatCaps utilisent ce genre d’images pour transférer leur apparence `a des objets de forme quelconque. Notre technique prouve la possibilité d’imiter les modifications 3D de la lumière et de matériaux à partir d’une image en 2D. Nous présentons une technique différente pour modifier le troisième élément impliqué dans l’aspect visuel d’un objet, sa géométrie. Dans ce cas, on utilise des rendus comme images d’entrée avec des images auxiliaires qui contiennent des informations 3D de la scène. Nous récupérons un ombrage indépendant de la géométrie pour chaque surface, ce qui nous demande de supposer qu’il n’y a pas de variations spatiales d’éclairage pour chaque surface. L’ombrage récupéré peut être utilisé pour modifier arbitrairement la forme locale de l’objet de manière interactive sans la nécessité de rendre `a nouveau la scèneTraditional artists paint directly on a canvas and create plausible appearances of real-world scenes. In contrast, Computer Graphics artists define objects on a virtual scene (3D meshes, materials and light sources), and use complex algorithms (rendering) to reproduce their appearance. On the one hand, painting techniques permit to freely define appearance. On the other hand, rendering techniques permit to modify separately and dynamically the different elements that compose the scene. In this thesis we present a middle-ground approach to manipulate appearance. We offer 3D-like manipulation abilities while working on the 2D space. We first study the impact on shading of materials as band-pass filters of lighting. We present a small set of local statistical relationships between material/lighting and shading. These relationships are used to mimic modifications on material or lighting from an artist-created image of a sphere. Techniques known as LitSpheres/MatCaps use these kinds of images to transfer their appearance to arbitrary-shaped objects. Our technique proves the possibility to mimic 3D-like modifications of light and material from an input artwork in 2D. We present a different technique to modify the third element involved on the visual appearance of an object: its geometry. In this case we use as input rendered images alongside with 3D information of the scene output in so-called auxiliary buffers. We are able to recover geometry-independent shading for each object surface, assuming no spatial variations for each recovered surface. The recovered shading can be used to modify arbitrarily the local shape of the object interactively without the need to re-render the scene
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Girnytė, Diana. "Kompiuterinių matematinių sistemų animacijos tyrimas". Master's thesis, Lithuanian Academic Libraries Network (LABT), 2004. http://vddb.library.lt/obj/LT-eLABa-0001:E.02~2004~D_20040611_180731-63055.
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Many variety computer systems for advanced mathematics are now being used by hundreds of thousands of engineers, scientists and students across a broad range of exact science disciplines to perform calculations, drawing, to interface with other programs, and to publish their “live” documents on the Web. Maple, Mathcad and Matlab are computer systems for advanced mathematics and a rich problem-solving environments that gives you a wide choice of tools and supports a variety of analysis and visualization techniques. They provide many ways of representing data and mathematical expressions graphically using plots. They also have unique animating of graphs. Animation feature allows you to see a plot change in real time when the value of a variable changes. In this paper, we investigated and compared the creating, controling and using animation in Maple, Mathcad and Matlab and give animation examples for teaching mathematics. The main stress of this research work was to clear and to explain ways for practical use of animation as this area of computer systems has not been investigated in Lithuania yet.
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Dubrau, Anton. "Taming Matlab". Thesis, McGill University, 2012. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=107702.
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MATLAB is a dynamic scientific language used by scientists, engineers and students worldwide. Although MATLAB is very suitable for rapid prototyping and development, MATLAB users often want to convert their final MATLAB programs to a static language such as FORTRAN, to integrate them into already existing programs of that language, to leverage the performance of powerful static compilers, or to ease the distribution of executables. This thesis presents an extensible object-oriented toolkit to help facilitate the generation of static programs from dynamic MATLAB programs. Our open source toolkit, called the MATLAB Tamer, targets a large subset of MATLAB. Given information about the entry point of the program, the MATLAB Tamer builds a complete callgraph, transforms every function into a reduced intermediate representation, and provides typing information to aid the generation of static code. In order to provide this functionality, we need to handle a large number of MATLAB builtin functions. Part of the Tamer framework is the builtin framework, an extensible toolkit which provides a principled approach to handle a large number of builtin functions. To build the callgraph, we provide an interprocedural analysis framework, which can be used to implement full-program analyses. Using this interprocedural framework, we have developed value analysis, an extensible interprocedural analysis to estimate MATLAB types, which helps discover the call edges needed to build the call graph. In order to make the static analyses even possible, we disallow a small number of MATLAB constructs and features, but attempt to support as large a subset of MATLAB as possible. Thus, by both slightly restricting MATLAB, and by providing a framework with powerful analyses and simplifying transformations, we can "Tame MATLAB".MATLAB est un langage scientifique utilisé par des ingénieurs, scientifiques, et étudiants à travers le monde. Bien que MATLAB soit très approprié pour les prototypages et les développements rapides, les usagers veulent souvent convertir leurs programmes MATLAB finaux vers un langage statique tel FORTRAN, dans le but de les intégrer à des programmes existants dans ce langage, de tirer avantage des performances des compilateurs statiques plus puissants, ou de faciliter la distribution des fichiers exécutables. Cette thèse présente un toolkit extensible orienté objet pour faciliter la production de programmes statiques à partir de programmes MATLAB dynamiques. Notre toolkit à code source libre, appelé MATLAB Tamer («dompteur MATLAB »), vise un large sous-ensemble de MATLAB. À partir d'informations sur le point d'entrée du programme, le MATLAB Tamer construit un graphe d'appels complet, transforme chaque fonction en une représentation réduite intermédiaire et fournit l'information sur le typage pour faciliter la production du code statique. Pour fournir cette fonctionnalité, nous devons manipuler une grand nombre de fonctions MATLAB intégrées. Une partie du cadre du Tamer est le cadre intégré, un toolkit extensible fournissant une approche de principe pour manipuler un grand nombre de fonctions intégrées. Pour construire le graphe d'appels, nous fournissons un cadre d'analyse interprocédural pouvant être utilisé pour implanter des analyses de programmes complets. En utilisant ce cadre inter-procédural, nous avons développé l'analyse des valeurs, une analyse inter-procédurale extensible pour estimer les types MATLAB, pour aider à découvrir les arrêtes d'appels nécessaires pour construire le graphe d'appels. Pour pouvoir rendre faisable une analyse statique, nous interdisons un petit nombre de concepts et caractéristiques de MATLAB, mais nous tentons de supporter un sous-ensemble de MATLAB aussi grand que possible. Conséquemment, en restreignant légèrement MATLAB, en fournissant un puissant cadre d'analyse et en simplifiant les transformations, nous pouvons «dompter MATLAB».
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Bladh, Anna y Gabriella Odsander. "Matchar personalvetarna de efterfrågade kraven på arbetsmarknaden? : En undersökning om vilka kompetenser personalvetaralumner från Umeå universitet behöver för att matcha arbetsuppgifterna och kraven i arbetslivet". Thesis, Umeå universitet, Sociologiska institutionen, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-101097.
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Sverige är idag ett överutbildat land. Högre utbildning ger dock ingen garanti till kvalificerade yrken. Problematiken med matchningen tycks vara generell oavsett utbildnings- och geografiskt område. Syftet med studien var att undersöka matchningsproblematiken för personalvetare med kompetens som utgångspunkt. Undersökningen genomfördes på personalvetaralumner från Umeå universitet som varit yrkesverksamma högst tre år. Både enenkätundersökning och intervjuer genomfördes. Resultatet visar en missmatchning för personalvetare mot relevanta arbetsuppgifter samt tjänst. Vidare visade undersökningen att utöver den formella kompetensen var de personliga och sociala kompetenserna av stor vikt för att erhålla samt bemästra en personalvetartjänst.
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Bjureland, William. "Analysis of deep excavations using the mobilized strength design(MSD) method". Thesis, KTH, Jord- och bergmekanik, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-136584.
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The population in Sweden and around the world is increasing. When population increases, cities become more densely populated and a demand for investments in housing and infrastructure is created. The investments needed are usually large in size and the projects resulting from the investments are often of a complex nature. A major factor responsible for creating the complexity of the projects is the lack of space due to the dense population. The lack of space creates a situation where a very common feature of these types of projects is the use of earth retaining systems. The design of retaining systems in Europe is performed today based on Eurocode. Eurocode is a newly introduced standard for the design of structures and is developed in order to make it easier to work cross borders by using the same principle of design in all countries. For the design of retaining walls in Sweden, Eurocode uses the old standard as the basis of the design procedure consisting of two separate calculations, ultimate limit state and serviceability limit state. Since soil does not consist of two separate mechanisms consisting of failure and serviceability, this approach to solving engineering problems fails to address the real behavior of soils. To handle this problem Bolton et. al. (1990a, 1990b, 2004, 2006, 2008, 2010) developed the theory of “mobilized strength design” where a single calculation procedure incorporates both the calculation of deformations and the safety against failure. The calculation uses conservation of energy and the degree of mobilized shear strength to study deformations in and around the retaining system and the safety against failure in mobilizing the maximum shear strength of the soil. The aim of this thesis was to introduce the theory of mobilized strength design to geotechnical engineers in Sweden working both in academia and in industry. Another aim of the thesis was to develop a tool that could be used to perform calculations of earth retaining systems based on this theory. The development of a working tool has resulted in a Matlab code which can in a simple way be used to calculate both deformations in the retaining system and the safety against failure by using the degree of mobilized shear strength presented in the theory. The Matlab code can handle ground layering with different shear strengths and weights of the soil. A comparison instrument in a Mathcad calculation sheet have been developed to produce results based on the original theory where the feature of soil layering is not incorporated into the calculation procedure. The thesis shows that the Matlab code developed performs well but is not yet sensitive enough to produce the same results as the Mathcad calculation sheet and needs to be further developed to make it more robust in order to handle all different excavation scenarios. v The theory of mobilized strength design has been introduced to geotechnical engineers in Sweden and the thesis studies the theory and shows the calculation procedure and how the different input values and calculations affect the analysis. The thesis also shows some areas in which the theory and the code can be modified and where further research can be performed in order to make them fully applicable to Swedish conditions. As an example the use of rock dowels drilled into the bedrock and attached to the retaining structure is a common feature for deep excavations in Sweden. Further research can be pursued on how to incorporate the energy stored in the rock dowels into the calculation procedure.
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Griewank, Karl y Denis Polyakov. "MDESIGN for Mathcad". Universitätsbibliothek Chemnitz, 2011. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-qucosa-68290.
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- TEDATA bietet mit MDESIGN die Deutschland weit größte Bibliothek an Maschinenelement-Berechnungen an.
- Mit Hilfe von E-Book wird ein Teil dieser Bibliotheken auch MC-Kunden zur Verfügung gestellt.
- Beispiel Mathcad Sheet "Werkstoffe nach FKM"
- vorhandene und geplante Berechnungen
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Jordan, Dirk. "Mathcad Prime 2.0". Universitätsbibliothek Chemnitz, 2012. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-qucosa-86885.
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Polyakov, Denis. "MDESIGN for Mathcad". Universitätsbibliothek Chemnitz, 2012. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-qucosa-86911.
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- TEDATA bietet mit MDESIGN die Deutschlandweit größte Bibliothek von Maschinenelement-Berechnungen an.
- Mit Hilfe von Mathcad E-Book wird ein Teil dieser Bibliotheken auch MC-Kunden zur Verfügung gestellt.
- Vermarktung von Mathcad-Sheets (Pakete über Online-Shop)
- Vorhandene und geplante Berechnungen
- Beispiel Mathcad-Sheet (Aufbau, Funktionalitäten)
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Wüst, Michael. "Mathcad Prime 2.0". Universitätsbibliothek Chemnitz, 2013. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-qucosa-114452.
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Wüst, Michael. "Mathcad Prime 3.0". Universitätsbibliothek Chemnitz, 2013. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-qucosa-114443.
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Elphick, Daniel R. "Partially evaluating MATLAB". Thesis, University of Southampton, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.427430.
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Büttner, René. "Neues zu Mathcad". Universitätsbibliothek Chemnitz, 2016. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-qucosa-206961.
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Die Präsentation gibt einen Überblick über die Software PTC Mathcad Prime 3.1, das Software Development Kit (SDK) und den neuen Berechnungsserver Mathcad Gateway. Neue Funktionalitäten und Anwendungsmöglichkeiten von Mathcad werden vorgestellt.
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Matias, Patricia Veríssimo Silva. "Transformation du methylcyclohexane et du n-heptane sur la zeolithe MCM-22 : propriétés catalytiques globales et participation de chaque système poreux". Poitiers, 2008. http://theses.edel.univ-poitiers.fr/theses/2008/Verissimo-Silva-Matias-Patricia/2008-Verissimo-Silva-Matias-Patricia-These.pdf.
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La zéolithe MCM-22 possède une structure très particulière avec trois systèmes poreux indépendants:des canaux sinusoïdaux étroits (4. 1×5. 1 Å), des supercages (ø 7. 1 Å, hauteur 18. 2 Å) accessibles par des ouvertures de (4. 0×5. 5 Å) et des coupes externes (ø 7. 1 Å, profondeur 7. 0 Å). Cette thèse avait pour objectif l’étude des propriétés catalytiques de la zéolithe HMCM-22 (Si/Al=14. 5) et de déterminer le rôle de chaque système poreux dans les réactions de transformation du méthylcyclohexane et du n-heptane à 350ºC. La participation catalytique de chaque système poreux a été déterminée en désactivant sélectivement les sites acides des supercages et en empoisonnant ceux des coupes externes. Les deux réactions se déroulent principalement dans les supercages. Les canaux sinusoïdaux présentent une faible activité due à d’importantes contraintes stériques. Les résultats ont révélé par ailleurs que les sites acides des coupes externes ne sont pas capables de catalyser la réaction du n-heptane, ce qui peut être attribué à une force acide plus faible et/ou à l’absence de l’effet de confinement dans les coupes externes. L’adsorption des différentes molécules a permit de déterminer le volume microporeux de chaque système. La zéolithe HMCM-22 présente un comportement intermédiaire entre la zéolithe USHY (pores larges) et la zéolithe HZSM-5 (pores intermédiaires) dans les deux réactions, cependant elle présente des activités par site acide plus proches de HZSM-5. La désalumination de la zéolite HMCM-22 par lavage acide élimine principalement les sites acides des coupes externes et des supercages alors que les sites acides des canaux sinusoïdaux ne sont pratiquement pas affectésMCM-22 has a very peculiar pore structure with three independent pore systems: narrow sinusoidal channels (4. 1×5. 1 Å), large supercages (ø 7. 1 Å, height 18. 2 Å) accessible through (4. 0×5. 5 Å) openings and external cups (ø 7. 1 Å, depth 7. 0 Å). The aim of this thesis was to study the global catalytic properties and ascertain the catalytic role of each pore system of HMCM-22 zeolite (Si/Al=14. 5) on methylcyclohexane and n-heptane transformations at 350ºC. To this end, the participation of each pore system was established by selectively deactivating the supercages through coke deposition and poisoning the external cups acid sites. Supercages play the major catalytic role on both reactions. Sinusoidal channels present a very low activity due to high steric constraints. External cups acid sites are more active than those of supercages in methylcyclohexane transformation due to the absence of diffusion limitations. The results revealed that the external cups acid sites are not able to catalyze n-heptane reaction, which is ascribed to a lower acid strength and/or to the absence of confinement effect in the external cups. Adsorption of different molecules allowed the determination of the micropore volume of each pore system. An intermediate behavior of HMCM-22 between USHY (large pores) and HZSM-5 (intermediate pores) zeolites was observed on both reactions. The activities per acid site of HMCM-22 zeolite were closer to those of HZSM-5. Dealumination by acid leaching of the HMCM-22 zeolite removed mainly the acid sites located on the supercages and external cups, whereas those of the sinusoidal channels were almost not affected
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Jordan, Dirk. "Mathcad „The Next Generation“". Universitätsbibliothek Chemnitz, 2010. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-201000581.
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In diesem Vortrag wird die Weiterentwicklung von Mathcad gezeigt. Einmal als Update auf Mathcad 15 und dann die ganz neue Generation Mathcad Prime, mit neuer Benutzeroberfläche und neuem "look and feel". Sowie die neuen Funktionen und Möglichkeiten in Mathcad Prime.
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Šeškutė, Kristina. "MATLAB vaizdinio programavimo galimybės". Master's thesis, Lithuanian Academic Libraries Network (LABT), 2005. http://vddb.library.lt/obj/LT-eLABa-0001:E.02~2005~D_20050608_172428-46401.
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For the user’s comfort in modern programs are created system of means, which are called graphical user interface (GUI). GUI is the window, created by user, with lay out graphical elements: command push button, edit text, list boxes, checkboxes, menu and etc. User graphical interface technology started to implant also in modern computer systems, from which the most advanced one – MATLAB. This work examines two ways of MATLAB graphical user interface creation, looks over graphical elements, MATLAB visual possibilities are compared with one the most popular programming medium C++Builder. In applied example are presented the discrete-time signal examples and real sound “a” signal, witch is possible not even depict, but also to hear out. This example demonstrates graphical user interface created by MATLAB.
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Radpour, Soroush. "Understanding and refactoring MATLAB". Thesis, McGill University, 2012. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=110652.
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Matlab is a very popular dynamic scripting language for numericalcomputations used by scientists, engineers and students world-wide. Matlabprograms are often developed incrementally using a mixture of Matlab scriptsand functions and frequently build upon existing code which may use outdatedfeatures. This results in programs that could benefit from refactoring,especially if the code will be reused and/or distributed. Despite the needfor refactoring there appear to be no Matlab refactoring tools available.Correct refactoring of Matlab is quite challenging because of itsnon-standard rules for binding identifiers. Even simple refactorings arenon-trivial. Compiler writers and software engineers are generally not familiar with \matlab and how it's used sothe problem has been left untouched so far. This thesis has two main contributions. The first is McBench, a tool that helps compiler writers understand the language better. In order to have a systematic approach to the problem, we developed this tool to give us some insight about how programmers use Matlab.The second contribution is a suite of semantic-preserving refactoring for Matlabfunctions and scripts including: function and script inlining, convertingscripts to functions, extracting new functions, and converting dynamic feval calls to static function calls. These refactorings have been implemented using the McLabcompiler framework, and an evaluation is given on a large set of Matlabprograms which demonstrates the effectiveness of our approach.matlab est un langage de script dynamique utilisé à des fins de calcul numérique par des scientifiques, ingénieurs et étudiants du monde entier. Les programmes matlab sont souvent développés selon une méthode incrémentale, sur la base d'un mélange de scripts et fonctions Matlab, et sont habituellement conçus à partir d'un code existant dont les fonctionnalités seraient obsolètes. Par conséquent, certains programmes pourraient bénéficier de réusinage, surtout si le code sera réutilisé et/ou distribué. Malgré ce besoin, il n'existe aucun outil matlab de ce genre. Le réusinage de Matlab est assez difficile car les règles pour la liaison des identificateurs ne sont pas standards. Même une opération de maintenance simple revêt une certaine complexité. De plus, les créateurs de compilateurs et les ingénieurs en informatique ne sont généralement pas familiers avec matlab et la façon dont il est utilisé. C'est pourquoi à ce jour le problème n'a jamais été traité. Cette thèse apporte deux contributions principales: d'une part la création de MCBENCH, un outil aidant les créateurs de compilateurs à mieux comprendre le langage. Afin d'avoir une approche systématique du problème, nous avons développé cet outil pour en savoir plus sur la façon dont les programmeurs utilisent Matlab. L'autre contribution est une suite de réusinages préservant la sémantique des fonctions et scripts Matlab: incorporation de fonctions et scripts, conversion de scripts en fonctions, extraction de nouvelles fonctions et conversion d'appels dynamiques feval en appels de fonction statique. Le cadriciel et compilateur McLab a été utilisé pour la mise en œuvre de ces réusinages. De plus, une évaluation est donnée sur un large éventail de programmes Matlab afin de démontrer l'efficacité de notre approche.
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Phillips, Donovan D. "Mathematical modeling using MATLAB". Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 1998. http://handle.dtic.mil/100.2/ADA358796.
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Thesis (M.S. in Applied Mathematics) Naval Postgraduate School, December 1998."December 1998." Thesis advisor(s): Maurice D. Weir. Includes bibliographical references (p. 121). Also available online.
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Büttner, Rene. "PTC Mathcad Prime 3.1". Universitätsbibliothek Chemnitz, 2015. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-qucosa-172536.
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Wüst, Michael y Steffen Förster. "PTC Mathcad Prime : Überblick". Universitätsbibliothek Chemnitz, 2014. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-qucosa-142117.
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Gu, Chenchen. "Option Pricing Using MATLAB". Digital WPI, 2011. https://digitalcommons.wpi.edu/etd-theses/382.
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This paper describes methods for pricing European and American options. Monte Carlo simulation and control variates methods are employed to price call options. The binomial model is employed to price American put options. Using daily stock data I am able to compare the model price and market price and speculate as to the cause of difference. Lastly, I build a portfolio in an Interactive Brokers paper trading [1] account using the prices I calculate. This project was done a part of the masters capstone course Math 573: Computational Methods of Financial Mathematics.
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He, Xueming. "Integrating SciSPARQL and MATLAB". Thesis, Uppsala universitet, Institutionen för informationsteknologi, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-220907.
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Nowadays many scientific experiment results involve multi-dimensional arrays. It is desirable to store these results in a persistent way and make queries against not only well-structured data objects like arrays but also the metadata that describe the experiments. SPARQL is a Semantic Web standard query language for data and metadata stored in terms of RDF. SciSPARQL is an extended version of SPARQL designed for scientific applications. It includes numeric multi-dimensional array operations and user-defined functions. The SciSPARQL Database Manager (SSDM) is a query processing engine for SciSPARQL. MATLAB is a popular and powerful scientific computing application programming language. We implemented an interface between MATLAB and SciSPARQL called MATLAB SciSPARQL Link (MSL). MSL provides SciSPARQL queries in MATLAB through a client/server interface. It optionally also provides an interface to enable calls to MATLAB in SciSPARQL queries. With MSL MATLAB users can populate, update, and query SSDM databases it in terms of SciSPARQL queries. For the implementation we use C interfaces of MATLAB and SSDM, and the networking capabilities of SSDM. The DLL we made extends MATLAB with MSL interface functions.
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Välimäki, M. (Mauri). "Betonin suhteitus Matlab-ohjelmalla". Bachelor's thesis, University of Oulu, 2015. http://urn.fi/URN:NBN:fi:oulu-201506031766.
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Tässä työssä on keskitytty betonin suhteituksen laskemiseen lineaarisen regression kautta. Suhteitus on tärkeä betonin valmistuksen suunnitelma, jolla pyritään saamaan tuoreelle ja kovettuneella betonille halutut ominaisuudet. Puristuslujuus on betonin tärkein ominaisuus ja se toimii tässä työssä vastearvona. Puristuslujuuden vastearvoja tutkitaan ennustemuuttujien eli prediktorien avulla. Ennustemuuttujina ovat esimerkiksi sementtimäärä, vesimäärä, kiviainesmäärä ja erilaisten lisäaineiden määrä. Suhteitusta voidaan suorittaa reaaliaikaisesti betoniasemalla mutta mielestäni se tulisi ottaa yhdeksi suunnittelun osa-alueeksi. Tällöin on kuitenkin oltava betonissa reagoivien osa-aineiden käytöstä aikaisempaa tietoa, jonka avulla laskenta suoritetaan ja päätökset tehdään. Aineiston käsittelyä voidaan tehdä monellakin tavalla mutta nyt keskitytään lineaarisella regressiolla laskettaviin menetelmiin Matlab-ohjelmalla. Matlab-ohjelmassa on valmiina monia valmiita toimintoja laskennan suorittamiseksi ja tulosten esittämiseksi havainnollisestiThis work is focused on the concrete mix design calculation via linear regression. Concrete mix-design is important manufacturing plan, which aims to get desired properties into fresh and hardened concrete. Compressive strength of hardened concrete is the most important feature. Response values of concrete compressive strength are examined with predictors. Predictive variables are for example the amount of cement, water, aggregates and various additives. Concrete mix-design work can be performed in real-time in batching plant, but it should be taken as one action on normal design work. Before we can get any results and make decisions, we must have previous information about the behavior of the materials. The data processing can be done in many ways, but now we focus on the linear regression methods with a software Matlab. Matlab program has many ready-made functions and methods to perform calculations and present the results graphically
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Svensson, Cornelia y Mentzer Elizabeth von. "Hålla sig på mattan?" Thesis, Malmö högskola, Fakulteten för lärande och samhälle (LS), 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:mau:diva-30177.
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Studien tar avstamp i den moderna barndomsforskningen och det spänningsfält som innebär att såväl som att förskolan som institution är en plats där barnen skall fostras till demokratiska medborgare, skall barnet betraktas som kompetent med rätt till att bidra till sin egen barndom. Syftet med studien är att, genom ett maktperspektiv, undersöka barns möjligheter till att påverka i förskolans pedagogiska verksamhet. Detta gör vi genom att titta på samlingen som specifik situation. Studien utgår från följande forskningsfrågor: Hur skapas en struktur och ett innehåll vid samlingen? Hur ser interaktionen mellan barn och pedagoger ut under samlingen? Hur utmanas och förändras samlingen, dess struktur och innehåll, i denna interaktion? Vi har genomfört en kvalitativ studie på en förskola, i vilken observationer samt intervjuer är metoder som använts i insamlandet av empiriskt material. Studiens teoretiska utgångspunkt baseras på inspiration av Michel Foucaults förståelser av att makt enbart kan existera som en aktivitet. Studiens empiriska material har analyserats utifrån tre maktbegrepp, vilka ingår i Foucaults teorier om makt: den disciplinära makten, den pastorala makten och motstånd. Studiens resultat visar att barnen i de observerade samlingarna har få möjligheter att påverka samlingens strukturer gällande tids- och rumsaspekt och det innehåll som pedagogen initierat. Trots det är inte barnen passiva i samlingen, utan är med och indirekt påverkar strukturerna. I synnerhet är det samtal som sker i interaktionen mellan barnen och pedagogerna, vilka barnen till viss del kan påverka, men inom ramen för vad pedagogen tillåter. Det framgår även att när pedagogen har ett bestämt innehåll att delge barnen, begränsas möjligheterna för barnen att komma till tals. Medan de ges fler möjligheter att delta i samtal när pedagogerna inte har ett lika bestämt innehåll. Slutligen har barnen fler möjligheter till att påverka samlingens innehåll till skillnad från deras möjligheter till att påverka samlingens strukturer, vilka är få.
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Malin, Jansson y Olofsson Elina. "”Det är ju just det här att man matchar rätt, då behöver det inte bli så mycket sammanbrott, men vi har ju inte så mycket att matcha med många gånger” : En kvalitativ studie om anställda vid socialtjänstens upplevelser av att matcha barn och familjehem". Thesis, Umeå universitet, Institutionen för socialt arbete, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-100996.
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Av de 17 500 barn som varje år placeras i samhällsvård i Sverige idag slutar var fjärde placering i ett så kallat sammanbrott, vilket betyder att placeringen avbryts i förtid. Tidigare forskning menar på att det höga antalet sammanbrott kan bero på att matchningen mellan barn och familjehem inte alltid sker optimalt. Syftet med studien var att undersöka vad anställda vid socialtjänsten upplever att de har för förutsättningar för att genomföra en god matchning mellan barn och familjehem, samt hur anställda vid socialtjänsten upplever att de kan förebygga den instabila samhällsvården. För att få en djupare förståelse inom ämnet valdes en kvalitativ metod där vi använde oss av djupintervjuer för att på bästa sätt fånga respondenternas upplevelser och syn på området. Enligt 6 kap 6c§ SoL har socialtjänsten ett ansvar för att tillgodose den utbildning som familjehem och jourhem har behov av när de ska ta emot placerade barn. Socialtjänsten ska även enligt 6 kap 7a § SoL se till att det finns råd, stöd och övrig behövlig hjälp som familjehemsföräldrar kan behöva. I studien framkommer att respondenterna upplever att det stöd de bistår familjehemmen med ofta är minimalt, en orsak till detta är ofta att tiden inte räcker. Studiens viktigaste slutsats är att bristen på familjehem försvårar arbetet för socialtjänsten att göra en optimal matchning.
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Kleinbauer, Rachel. "Kalman filtering implementation with Matlab". [S.l. : s.n.], 2004. http://www.bsz-bw.de/cgi-bin/xvms.cgi?SWB11612048.
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VALINHAS, MANNUELLA LUZ DE OLIVEIRA. "MATIAS AIRES IDEA OF HISTORY". PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2012. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=21455@1.
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PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIROCOORDENAÇÃO DE APERFEIÇOAMENTO DO PESSOAL DE ENSINO SUPERIOR
CONSELHO NACIONAL DE DESENVOLVIMENTO CIENTÍFICO E TECNOLÓGICO
Esta tese propõe-se examinar o livro de Matias Aires intitulado Reflexões sobre a vaidade dos homens, publicado pela primeira vez em 1752. Nesse texto, Matias Aires oferece ao leitor uma visão filosófica do mundo e da História das mais negativas do século XVIII. Ele constrói seu pensamento a partir dos conceitos de vaidade, amor, natureza, sociedade, tempo e movimento, o letrado apresentando que os homens agem movidos pelas paixões, sendo a vaidade a origem de todas elas. Dado caráter lacunar do conhecimento humano, a narrativa da História resulta em uma coleção de eventos sucessivos que não servem ao ensinamento. Sua existência, porém, não é sem sentido ou sem valor, uma vez que ela fornece legitimidade à diferenciação social da nobreza hereditária. A partir da observação dos argumentos desenvolvidos por Matias Aires, investigaram-se as concepções de mundo presentes no pensamento do autor que lhe permitiram construir essa visão específica tanto da História quanto da escrita da História. O estudo das categorias filosóficas de Matias Aires ancora-se no pressuposto de que os conceitos de homem, sociedade e mundo mobilizados pelo autor devem ser compreendidos tendo em vista sua primeira legibilidade e na intenção de repor o significado dessas categorias segundo as funções retóricas em vigência naquele presente histórico.
This thesis proposes to examine the book of Matias Aires entitled Reflexões sobre a Vaidade dos Homens (Reflections on Vanity), first published in 1752. In that text, Matias Aires offers one of the most negative philosophical insights about the world and the History produced in the eighteenth century. When building his thinking from the concepts of vanity, love, nature, society, time and movement, the scholar shows that men act moved by passions, being vanity the origin of them all. Given the incomplete nature of human knowledge, the narrative of History leads to a collection of successive events that do not serve as teachings. Its existence, however, is not meaningless or without value, since it provides legitimacy to the social differentiation of hereditary nobleness. Based on the observation of this argumentative network developed by Matias Aires, we investigated the world conceptions presented in the author s thought that allowed him to build this particular view of History, as much as of the writing of history. The study of the philosophical categories of Matias Aires is founded on the assumption that the concepts of man, society and the world mobilized by the author must be understood in view of its readability and the first in an attempt to restore the meaning of these categories according to the rhetorical functions in that present.
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Kumpula, O. (Ossi). "Puhujariippumaton automaattinen puheentunnistusjärjestelmä Matlab-ohjelmalla". Bachelor's thesis, University of Oulu, 2016. http://urn.fi/URN:NBN:fi:oulu-201611123027.
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Työn tarkoituksena oli tutustua automaattiseen puheentunnistukseen ja toteuttaa Matlab-ohjelmalla toimiva muutaman käskyn tunnistava puhujariippumaton puheentunnistusjärjestelmä, joka voidaan liittää simulaationukkeen kontrolloimaan sen hengitystä. Työssä tutustuttiin yleisiin ja järjestelmän toteutuksen kannalta merkittävimpiin puheentunnistuksen menetelmiin, joiden avulla puheentunnistusjärjestelmä rakennettiin. Toteutuksessa puhetta sisältävä signaali erotettiin hiljaisuudesta käyttäen Rabinerin ja Schaferin kuvaamaa algoritmia ja tunnistettavana yksikkönä käytettiin käskyt sisältävää fraasia. Piirreirrotus tehtiin Mel-Frequency Cepstrum Coefficients (MFCC) -menetelmällä ja akustiset mallit pohjautuivat Gaussin Mixture malliin (GMM) ja Markovin piilomalliin (HMM). Tunnistuksessa käytettiin useampaa mallia rinnakkain vähentämään satunnaisen puheen tunnistamista virheellisesti joksikin opetetuista käskyistä. Akustisten mallien harjoitteluun ja järjestelmän testaukseen tarvittava puheaineisto hankittiin pääasiassa Oulun yliopistollisen sairaalan Sädehoidon yksikön hoitajilta, jotka puheohjausjärjestelmää tulevat käyttämään. Testausten perusteella järjestelmä tunnisti alle 1 % virheellä oikeat puhekäskyt. Ongelmia tuli satunnaisen puheen virheellisellä tunnistuksella joksikin opetetuista puhekäskyistä, mitä ei onnistuttu kokonaan poistamaan. Järjestelmästä tuli kuitenkin toimiva käyttökohteeseensa, sillä käskyt annetaan painamalla näppäimistöstä enteriä pohjassa vastaavasti kuin potilaalle puhutaan mikrofonin kautta pitämällä tangenttia pohjassa ja nukelle annetaan pääsääntöisesti vain oikeita käskyjäThe aim of this thesis was to study automatic speech recognition (ASR) and produce Matlab-based speaker-independent ASR system that recognizes few speech commands and can be joined to control breathing of a simulation manikin. During this thesis commonly used ASR methods was studied and represented. In the produced ASR system, algorithm of Rabiner’s and Schafer’s was used to pick the speech signal from silence. Whole phrase containing the speech command was used as the recognition unit. Feature extraction was made by using Mel-Frequency Cepstrum Coefficients (MFCC) and acoustic models was based on Gaussian Mixture Model (GMM) and Hidden Markov Model (HMM). During recognition state combine of the models was used in tandem to reduce the misrecognition of random speech as the speech commands. Set of speech signals for training the acoustic models and testing performance of the ASR system was acquired mainly in the Oulu University Hospital from nurses who will use the ASR system. The error ratio of the ASR system was less than 1 percent with the correct speech commands according to the tests. The main problem with the system was misrecognition of random speech as the speech commands. However, the ASR system is suitable for use because mainly only correct speech commands is spoken and the speech commands is spoken pressing and holding down the enter key
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Silvestro, Andrea. "MATLAB/Simulink implementation of ForSyDe". Thesis, KTH, Skolan för elektroteknik och datavetenskap (EECS), 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-296025.
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Nowadays, it is possible to integrate an increasing number of functionalities on a single chip thanks to the state of the art technology in Electronic design automation. However, designing highly complex electronic systems quickly and reliably requires dealing with all such functionalities, which can be difficult as it requires a long and challenging design process because low-level details are necessary to obtain a functional implementation. One approach to deal with this complexity is to tackle SoC design from a high-level abstraction standpoint. Then, the numerous functionalities can be described and possibly addressed at a high level, as long as the newly created abstraction gap is taken care of. Time-to-market is of crucial importance when designing a product. A design process done at a high-level of abstraction considerably reduces the time required to obtain the final product. ForSyDe was created to address the problem of moving system design (I.E. System on Chip, Hardware, and Software systems) to a higher level of abstraction and bridge the abstraction gap by transformational design refinement. Currently, ForSyDe is implemented in the functional language Haskell and SystemC. The design flow starts from executable application models with individual design constraints that are a consistent part of ForSyDe ’s goals and this thesis’s primary focus. This thesis project presents the implementation of ForSyDe in the widely used modelling software MATLAB/Simulink. This new implementation allows using the ForSyDe methodology together with the powerful simulation tools offered by Simulink and Matlab. The thesis describes and analyses the different Models of Computation (MoCs) used by ForSyDe. It then presents the ForSyDe methodology and its existing Haskell implementation (on which the Simulink implementation is based). The Simulink simulation engine is introduced to show the differences and similarities with Haskell. The Simulink library developed is based on the ForSyDe-Shallow module (an Embedded Domain-Specific Language part of the Haskell implementation). The limits and opportunities introduced by the Simulink implementation are discussed in this thesis. Like the rest of the documentation, all the existing code is available on the Github repository. The evaluation and comparison of the ForSyDe-Simulink library are also done with a concrete application model that is an Audio Filter subsystem of an audio equalizer system. Simulink is concluded to be more efficient in performance considering the execution time and the memory consumption, but it is not suitable to properly accommodate ForSyDe-Shallow due to a lack of expressiveness.Tack vare framstegen inom automatisering av design för elektroniska system så är det idag möjligt att integrera mer funktionalitet på ett enstaka chip. Att däremot designa komplexa elektroniska system fort och pålitligt så krävs att alla funktioner hanteras korrekt, vilket kan vara svårt eftersom att det kräver en lång och besvärlig design process eftersom en hel del detaljer krävs för att få en fungerande implementation. Ett sätt att handskas med denna komplexitet är angripa problemet för SoC design genom att använda en hög abstraktionsnivå. Då kan all funktionalitet beskrivas och troligen även adresseras på en hög abstraktionsnivå, så länge man åtgärdar de abstraktions gap som detta orsakar. Tid-till-Marknad är av yttersta vikt då man designar en produkt och en designprocess som utförs på en hög abstraktionsnivå minskar kraftigt tiden till dess att produkten kan framställas. ForSyDe skapades för att adressera problemet med att flytta design av system (t.ex. System on Chip, hårdvara och mjukvarusystem) till en högre abstraktionsnivå och brygga gapet genom att använda transformationer och förfiningar av designen. Just nu så är ForSyDe implementerat i det funktionella språket Haskell och även SyStemC. Designflödet startar med exekverbara modeler av applikationen med individuella design begränsningar som är en del av ForSyDe’s mål och detta examensarbetes primära fokus. Detta examensarbetesprojekt presenterar en implementation av ForSyDe i den välanvända modelleringsmjukvaran MATLAB/Simulnik. Denna nya implementation tillåter användandet av ForSyDe metodologin tillsammans med det kraftfulla simulationsverktyget som tillhandahålls av Simulink och Matlab. Examensarbetet beskriver och analyserar de olika modeller för beräkning (MoCs) som används av ForSyDe. Sedan så presenteras ForSyDe metodologin och dens nuvarande Haskell implementation (som även Simulink implementation baseras på). Simulationsmotorn I Simulink introduceras för att påvisa skillnaderna och likheterna med Haskell. Biblioteket som utvecklats I Simulink baseras på ForSyDe- Shallow modulen (ett inbäddat och domänspecifikt språk som är en del av Haskell implementationen). De begränsningar och möjligheter som introduceras I och med Simulink implementationen diskuteras i detta examensarbete. Likt resten av dokumentationen så finns all kod tillgänglig på Github. En utvärdering och jämförelse av ForSyDe-Simulink biblioteket utförs också med en konkret applikationsmodell som är ett ljudfilter ifrån en ljudutjämnare.
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Šimůnek, Martin. "Analýza elektronických obvodů programem Mathcad". Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2010. http://www.nusl.cz/ntk/nusl-218602.
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The main idea of this thesis is a propose by designing filters in Mathcad program. This paper deals with a basic principle in filters design and these principles are implemented into the Mathcad program. In the introductory part is described aproximation which was used in Mathcad script. In the other parts of this project is described program which was created on designed filters.
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Miškařík, Kamil. "Gramatická evoluce - Java/Matlab implementace". Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2013. http://www.nusl.cz/ntk/nusl-230931.
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Kilström, Matilda. "Matval vid nattjobb : Skiftarbetare inom verkstadsindustrins upplevelser av vad som påverkar deras matval under skiftarbetet". Thesis, Högskolan i Gävle, Avdelningen för arbets- och folkhälsovetenskap, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-21718.
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The life of work has undergone major changes. Globalization and liberalization is contributing to the fact that many companies often require flexibility regarding ability to work around the clock when they are hiring new staff. The fact that the health is poorer among evening and night shift workers compared to daytime workers is widely documented. The conditions for evening and night shift workers to maintain healthy habits are not considered to be good. The aim of the study was to investigate shift workers in the engineering industry’s experiences of what influences their food choices during the work shift. The study was based on a qualitative method with a phenomenological approach. Semi- structured interviews were used for collection of data. The result showed three main themes which affect the shift workers food choice. Within the themes were three factors identified: the conditions of the workplace, the ambition of balance between work and leisure and also physical and mental wellbeing. The result is not transferable to all shift workers, but the experiences that have emerged in the study are valuable to take into consideration in new sociological studies about food choice within the engineering industry. The individual at the workplace have a major responsibility for their food choice even though the design of the workplace has proven to be one of the major factors of influencing the food choice during working hours. Therefore should higher requirements be imposed on employers when it comes to health promotion linked to eating habits and the abilityof workers to make healthy food choices during work hours.Arbetslivet har genomgått stora förändringar. Globalisering och avreglering bidrar till att företag ofta kräver arbetstidsmässig flexibilitet hos personal när de anställer. Att hälsan är sämre bland de skiftarbetare vilka arbetar kvälls- eller nattskift jämfört med dagtidsarbetare är vida dokumenterat. Kvälls- och nattskiftsarbetarnas förutsättningar till hälsosamma vanor anses inte vara goda. Syftet med studien har varit att undersöka skiftarbetare inom verkstadsindustrins upplevelser av vad som påverkar deras matval under skiftarbetet. Studien utgick från en kvalitativ metod med fenomenologisk inriktning. Semi- strukturerade intervjuer användes som datainsamlingsmetod. Resultatet visade på tre övergripande teman som berör skiftarbetares matval. Ur dessa teman plockades tre faktorer fram: arbetsplatsens förutsättningar, strävan efter balans mellan arbete och fritid samt fysiskt och psykiskt välmående. Resultatet är inte överförbart på alla skiftarbetare men upplevelserna vilka framkommit i studien är värdefulla att ta i beaktning i nya sociologiska studier kring matval inom verkstadsindustrin. Individen på arbetsplatsen har ett stort eget ansvar för sina matval trots att en av de största påverkansfaktorerna för matvalet visat sig vara arbetsplatsens utformning. Därför bör högre krav ställas på arbetsgivare när det kommer till hälsofrämjande arbete kopplat till matvanor och möjligheten för arbetstagare att göra hälsosamma matval under arbetstid.
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Seidel, Cathleen. "Integration externer PDE-Löser in Mathcad". Universitätsbibliothek Chemnitz, 2010. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-201000672.
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Mathcad gilt in den unterschiedlichsten Bereichen, z.B. in den Ingenieurwissenschaften, der Mathematik, der Physik, der Biologie oder sogar der Qualitätssicherung als hervorragendes Werkzeug zur übersichtlichen Darstellung komplexer Berechnungen.
Sollten die enthaltenen Funktionalitäten nicht mehr ausreichen, besteht die Möglichkeit, Mathcad mit Hilfe von User-DLLs zu erweitern. Diese Erweiterung kann perfekt als Schnittstelle zwischen Mathcad und anderen Softwarepaketen genutzt werden. Die von der inuTech GmbH entwickelte Klassenbibliothek Diffpack zur Simulation und numerischen Lösung von Differentialgleichungen aus den verschiedensten Bereichen eignet sich hervorragend, erforderliche Funktionalitäten für Mathcad zu implementieren. Mathcad kann somit zur Parametrisierung, für Berechnungen und zur Darstellung der Ergebnisse verwendet werden, während Diffpack die Lösung der partiellen Differentialgleichung, z.B. mittels FEM, übernimmt.
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Paech, Stephan. "Benutzerführung mit Registerkarten in Mathcad Rechenblättern". Universitätsbibliothek Chemnitz, 2010. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-201000755.
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Mehrseitige Rechenblätter in Mathcad werden leicht unübersichtlich. Die nötige Übersicht kann geschaffen werden, in dem man zusammengehörige Informationen auf Registerkarten zusammenfasst. Über Reiter kann direkt zwischen den einzelnen Karten hin und her gesprungen werden. Derartige Strukturen lassen sich in Mathcad überraschend einfach realisieren. Im Beispiel wird der Entwicklungsingenieur durch die Vorauslegung für ein Ventil geführt.
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Källman, Carina. "Matcha repertoarerna och fånga pojkars läsintresse". Thesis, Högskolan i Gävle, Akademin för utbildning och ekonomi, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-9160.
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Syftet med uppsatsen är att ta reda på om skolans och pojkarnas textvärldar matchar varandra. Detta görs genom att undersöka vilka urvalsmetoder och arbetsmetoder svensklärarna i åk 7-9 använder sig av. Studien synliggör problematiken kring vikten av rätt matchning, vilken är en av faktorerna som påverkar attraktionen av läsning som i sin tur kan generera bättre skolresultat. Tidigare forskning, exempelvis Christina Olin-Scheller och Kathleen McCormick, visar att det finns balansproblem i relationen mellan den litteratur som skolan erbjuder kontra det pojkar efterfrågar. Lärare bör eftersträva s.k. ”matchning” mellan läsare och text, för att i högre grad uppnå engagemang. Studien visar att lärare ofta överlåter till andra kollegor, bibliotekarier m.fl. då val av litteratur görs. Dessutom visar studien att några lärare, i viss mån, arbetar med det vidgade textbegreppet, som enligt forskning tilltalar pojkar i synnerhet. Vidare kan man utläsa att kommuner under en period fokuserat mer på allmänt hållet fortbildning och svensklärarna därför har behov av fördjupningar inom det egna ämnet för att nå ut till pojkarna. Svenska skolan är skyldig att skapa gynnsamma förutsättningar för båda könen och därmed uppvärdera pojkars val av litteratur i kombination med det vidgade textbegreppet. Dessutom bör svensklärarna samarbeta mellan byskolorna samt beredas fortbildning för att få fler arbetsmetoder att välja ifrån. Dessutom måste resurser till relevant utrustning tillhandahållas ute på skolorna.The aim of the essay is to find out whether the textworlds of the schools and the boys match. This is done by investigating how texts are chosen and what methods are used among the teachers of the Swedish language. The study shows the width of the correct matching, which is one of the factors which influences the attraction of reading, which also can lead to better results in school. Earlier researches, Christina Olin-Scheller and Kathleen McCormick etc, show a balancing problem in the relationship between the literature offered by school versus what boys ask for. Teachers should strive for “matching” the text with the reader to achieve greater commitment. The study shows that teachers often allow other colleagues, librarians etc. to choose literature for their classes. Besides that, the study shows that some teachers, to a certain extent, are working with the expanded text concept, which, according to research, appeals to boys in particularly. Furthermore, researches show that Municipalities for a period have focused more on general training which means that language teachers are in need of courses within their own subject to reach out to the boys. Swedish schools are obligated to create good conditions for both sexes and should thereby value boys’ own choices of literature in combination with the expanded text concept. Besides that teachers in Swedish language and literature at the different schools should cooperate more and should be able to take courses to receive more methods to choose from. In addition to that, pertinent equipment and financial resources should be available.
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Merz, Jürgen. "Analytische Modellierung von Bandscheren mit Mathcad". Universitätsbibliothek Chemnitz, 2013. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-qucosa-114497.
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Wei, Yung-Chung. "Probability of detection calculation using MATLAB/". Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 1993. http://handle.dtic.mil/100.2/ADA271958.
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Hjorth, Mattias y Björn Hvittfeldt. "Modelling an RF Converter in Matlab". Thesis, Linköping University, Department of Electrical Engineering, 2002. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-1026.
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Radar warning systems are life saving equipment in modern fighter aircraft. It is therefore vital that the system can tell the difference between a threat genuine frequency) and a false signal (spurious frequency).
This thesis presents a model aimed at predicting the frequencies and other parameters in the RF converter of the radar warning system. The components of the RF converter have been studied, measured, and modelled. The modelling tool has been the Simulink toolbox for Matlab.
Extreme accuracy has been sacrificed in order to make the model easy to use for the working engineer. Instead, this model presents a rough estimate of some of the most important properties of the radar warning system with just a few data sheet figures as input.
The simulation results are satisfactory as a whole. Simulink is the limiting factor in the implementation of the model. Significantly improved results can probably be obtained by working in another software environment.
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Milevski, Mikael. "Analys av PWM-mönster i Matlab". Thesis, Linköping University, Department of Science and Technology, 2002. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-1487.
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One of ABB Power Systems´s business areas is HVDC (High Voltage Direct Current) technology. HVDC is used for transmissions for both short and long distances. One of Power Systems’s products is called HVDC Light.
HVDC Light is a relatively new technology for power transmission, but have before only been used for motor drives applications. The technology is based on VSC (Voltage Source Converter) that uses a technique called PWM (Pulse Width Modulation).
There are a lot of PWM patterns that have been examined, but not in the field of power transmission where ABB Power Systems is working.
The different PWM patterns can be used for reducing switching losses or harmonics, that can cause the need of external filters to decrease or increase.
The purpose of this report is to give a general picture of the system that generates the PWM patterns. The report describes some main components in the system. T
he thesis also present amplitude spectrum from various PWM patterns - generated by signals that have been pulse width modulated with a triangle- shaped wave.
By showing the frequency-content, the decisions are eased for the engineers and technicians that are working with this kind of questions.
An analysis of different PWM patterns have been done. The kind of reference waves that generate the PWM patterns are called Dead Band PWM and Modified SPWM.
Comparisons have been done for Dead Band PWM, between harmonics and the width of Dead Band. Comparisons have been done for Modified SPWM, between:
1. fundamental frequency and modulation index.
2. different Modified SPWM and their harmonics.
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Köhlström, Jonas. "Automatisk trimning av drivsystemreglering från MATLAB". Thesis, Linköping University, Department of Electrical Engineering, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-8726.
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This master thesis covers the development of an automatic tuning process for the existing speed controller for drive systems. The drive systems are resonant two-mass systems where a motor is used to drive a load connected by a shaft. The developed method relies heavily on system identification and the construction of a complete mechanical model of the process. With this approach, the common problem with poor load speed control that derives from measuring only the motor speed can be addressed and solved for a majority of such processes.
The automatic tuning method has along with general test functions been implemented in a complete tool for automatic tuning, testing and performance evaluation and reporting for drive systems.
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Tsirepli, Ismini. "A Cadence layout wrapper for MATLAB". Thesis, Linköping University, Department of Electrical Engineering, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-6916.
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In this thesis, the focus is on creating a wrapper between MATLAB and the Cadence Virtuoso design environment. The central idea is to use the wrapper and write the code for an entire analog layout as scripts in MATLAB. Basically, we will implement a set of necessary commands for performing the most fundamental tasks in layout generation from within MATLAB.
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Ravnås, Eirik. "Continuation and Bifurcation software in MATLAB". Thesis, Norwegian University of Science and Technology, Department of Mathematical Sciences, 2008. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-8954.
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This article contains discussions of the algorithms used for the construction of the continuation software implemented in this thesis. The aim of the continuation was to be able to perform continuation of equilibria and periodic solutions originating from a Hopf bifurcation point. Algorithms for detection of simple branch points, folds, and Hopf bifurcation points have also been implemented. Some considerations are made with regard to optimization, and two schemes for mesh adaptation of periodic solutions based on moving mesh equations are suggested.
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Appiah, Frank [Verfasser]. "Simulation Analysis Using Matlab / Frank Appiah". München : GRIN Verlag, 2019. http://d-nb.info/1196689822/34.
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Kharche, R. V. "MATLAB automatic differentiation using source transformation". Thesis, Cranfield University, 2012. http://dspace.lib.cranfield.ac.uk/handle/1826/7298.
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This thesis presents our work on compiler techniques to implement Algo- rithmic Di erentiation (AD) using source transformation in MATLAB. AD is concerned with the accurate and e cient computation of derivatives of complicated mathematical functions represented by computer programs. Source transformation techniques for AD, whilst complicated to imple- ment, are known to yield derivative code with better run-time e ciency than methods using overloading support of the underlying language. We present results from MSAD that con rm the increase in e ciency using source trans- formed code for MATLAB AD. Most importantly, we demonstrate the use of a unique compiler code specialisation method to implement AD. We also assert the need for compiler optimisations in MATLAB, especially in the con- text of AD, and showcase MSAD as an extensible infrastructure to implement new optimisations and algorithms for AD or other applications. Where other e orts on MATLAB AD are implemented using operator overloading or a mix of overloading and source transformation, MSAD (Springer LNCS, Vol. 3994, 2006) was the rst to generate di erentiated MATLAB code using source transformation alone. MSAD is also the only e ort to implement source transformed AD by resolving overloaded MAT- LAB code. The existing MAD package (ACM TOMS, 32, No.2, 2006) pro- vides a highly e cient overloaded implementation of MATLAB AD. MSAD uses compiler code specialisation techniques to specialise and inline fmad and derivvec overloaded operations of the MAD package in order to generate MATLAB AD code. The operator overloading overheads inherent in MAD are eliminated while preserving the derivvec class's optimised derivative combination operations. As a compiler framework for MATLAB, MSAD demonstrates a novel use of an existing e ective compiler algorithm (Sparse Conditional Constant Propagation) to infer properties of MATLAB variables such as type, rank, shape, sparsity and value by propagating a composite lattice of all the prop- erties together.
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Burke, Mary Joset. "Visualization of electromagnetic fields using MATLAB". Honors in the Major Thesis, University of Central Florida, 1998. http://digital.library.ucf.edu/cdm/ref/collection/ETH/id/25.
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This item is only available in print in the UCF Libraries. If this is your Honors Thesis, you can help us make it available online for use by researchers around the world by following the instructions on the distribution consent form at http://library.ucf.edu/Systems/DigitalInitiatives/DigitalCollections/InternetDistributionConsentAgreementForm.pdf You may also contact the project coordinator, Kerri Bottorff, at kerri.bottorff@ucf.edu for more information.Bachelors
Engineering
Electrical Engineering
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Deshpande, Nikhil. "Matlab implementation of GSM traffic channel". [Tampa, Fla.] : University of South Florida, 2003. http://purl.fcla.edu/fcla/etd/SFE0000167.
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Lameed, Nurudeen. "Dynamic compiler optimization techniques for MATLAB". Thesis, McGill University, 2013. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=119604.
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MATLAB has gained widespread acceptance among engineers and scientists. Several aspects of the language such as dynamic loading and typing, safe updates, copy semantics for arrays, and support for higher-order functions contribute to its appeal, but at the same time provide many challenges to the compiler and virtual machine. MATLAB is a dynamic language. Traditional implementations of the language use interpreters and have been found to be too slow for large computations. More recently, researchers and software developers have been developing JIT compilers for MATLAB and other dynamic languages. This thesis is about the development of new compiler analyses and transformations for a MATLAB JIT compiler, McJIT, which is based on the LLVM JIT compiler toolkit. The new contributions include a collection of novel analyses for optimizing copying of arrays, which are performed when a function is first compiled. We designed and implemented four analyses to support an efficient implementation of array copy semantics in a MATLAB JIT compiler. Experimental results show that copy optimization is essential for performance improvement in a compiler for the MATLAB language. We also developed a variety of new dynamic analyses and code transformations for optimizing running code on-the-fly according to the current conditions of the runtime environment. LLVM does not currently support on-the-fly code transformation. So, we first developed a new on-stack replacement approach for LLVM. This capability allows the runtime stack to be modified during the execution of a function, thus enabling a continuation of the execution at a higher optimization level. We then used the on-stack replacement implementation to support selective inlining of function calls in long-running loops. Our experimental results show that function calls in long-running loops can result in high runtime overhead, and that selective dynamic inlining can be used to drastically reduce this overhead.The built-in function feval is an important MATLAB feature for certain classes of numerical programs and solvers which benefit from having functions as parameters. Programmers may pass a function name or function handle to the solver and then the solver uses feval to indirectly call the function. In this thesis, we show that although feval provides anacceptable abstraction mechanism for these types of applications, there are significant performance overheads for function calls via feval, in both MATLAB interpreters and JITs. The thesis then proposes, implements and compares two on-the-fly mechanisms for specialization of feval calls. The first approach uses our on-stack replacement technology. The second approach specializes calls of functions with feval using a combination of runtime input argument types and values. Experimental results on seven numerical solvers show that the techniques provide good performance improvements.The implementation of all the analyses and code transformations presented in this thesis has been done within the McLab virtual machine, McVM, and is available to the public as open source software.MATLAB est devenu reconnu parmi les ingénieurs et les scientifiques. Plusieurs aspects du langage comme le chargement et le typage dynamique, la mise à jour sûr, la sémantique de copie pour les tableaux, et le support des fonctions d'ordre supérieur contribuent à son attrait, mais induisent de nombreuses difficultés pour les compilateurs et les machines virtuelles. MATLAB est un langage dynamique. Les implémentations classiques du langage fonctionnent grâce à des interpréteurs et sont généralement trop lentes pour des larges calculs. Plus récemment, les chercheurs ainsi que les programmeurs ont développé des compilateurs JIT pour MATLAB et d'autres langages dynamiques. Cette thèse traite le développement de nouvelles analyses et transformations pour un compilateur JIT MATLAB, McJIT, qui est basé sur l'outil LLVM. Ces nouvelles contributions comprennent plusieurs analyses novatrices pour optimiser la copie de tableaux, qui sont exécutées quand une fonction est compilée pour la première fois. Nous avons implémenté quatre analyses pour permettre une implémentation efficace de la sémantique de copie de tableaux dans un compilateur JIT MATLAB. Les résultats expérimentaux montrent que l'optimisation de la copie est essentielle pour améliorer les performances dans un compilateur pour le langage MATLAB.Nous avons aussi développé une variété d'analyses dynamiques novatrices et des transformations de code pour optimiser du code à la volée en fonction de l'environnement d'exécution. Actuellement, LLVM ne supporte pas les transformations de code à la volée. En conséquence, nous avons d'abord développé une nouvelle approche pour faire du remplacement sur la pile avec LLVM. Cette fonctionnalité permet à la pile d'exécution d'être modifiée pendant l'exécution de la fonction, ce qui permet de continuer l'exécution à un niveau supérieur d'optimisation. Nous avons ensuite utilisé cette implémentation du remplacement sur la pile pour permettre l'en line des appels de fonctions dans les boucles. Nos résultats expérimentaux montrent que les appels de fonctions dans les boucles à long temps d'exécution peuvent induire un coût important en termes de performances, et que l'en line dynamique et sélectif peut être utilisé pour réduire drastiquement ce coût. La fonction "feval" est une fonctionnalité importante de MATLAB pour certains programmes de calcul numérique qui profitent de la possibilité de passer des fonctions comme paramètres. Les programmeurs peuvent passer le nom d'une fonction ou un pointeur de fonctions à un programme qui utilisera ensuite feval pour appeler indirectement cette fonction. Dans cette thèse, nous montrons que malgré le fait que feval soit un mécanisme d'abstraction appréciable pour certaines applications, il induit un coût significatif, à la fois pour les interpréteurs et pour les compilateurs JIT. Cette thèse propose, implémente et compare deux mécanismes à la volée pour la spécialisation des appels utilisant feval. La première méthode utilise notre mécanisme de remplacement sur la pile. La seconde méthode spécialise les appels de fonctions utilisant feval en combinant le type et la valeur des arguments à l'exécution. Les résultats expérimentaux sur sept programmes différents montrent que ces techniques permettent une bonne amélioration des performances. L'implémentation de toute les analyses et transformations de code présentées dans cette thèse a été effectué dans la machine virtuelle McLab, appelée McVM, et est disponible au public en tant que logiciel libre.
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Correa, Mario Aparecido. "Ambiente MATLAB - elementos finitos para eletromagnetismo". [s.n.], 2001. http://repositorio.unicamp.br/jspui/handle/REPOSIP/258907.
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Orientador : Hugo Enrique Hernandez FigueroaDissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Eletrica e de Computação
Made available in DSpace on 2018-07-27T17:51:51Z (GMT). No. of bitstreams: 1 Correa_MarioAparecido_M.pdf: 4285270 bytes, checksum: 4525524630a7c23f3fa0cc818e72a548 (MD5) Previous issue date: 2001
Resumo: Apresenta-se um ambiente de simulação computacional, desenvolvido sobre a plataforma MATLAB, para diversos problemas e efeitos eletromagnéticos. Pela sua versatilidade e abrangência o Método dos Elementos Finitos foi adotado na resolução das equações correspondentes, derivadas das Equações de Maxwell. Aspectos computacionais e vários exemplos de aplicação são discutidos em detalhe. A técnica de simulação pelo Método de Elementos Finitos vem sendo largamente utilizada em diversos ramos da engenharia e, em especial, como auxiliar no modelamento de dispositivos baseados em ondas eletromagnéticas. Por outro lado, com uma difusão no meio científico e industrial já bastante ampla, o MATLAB tem se mostrado como uma poderosa ferramenta para o desenvolvimento,testes e implementação dos mais variados algoritmos de computação numérica. Aliar o ambiente do MATLAB às técnicas de programação para o Método de Elementos Finitos torna-se uma tarefa quase que natural se, levarmos em consideração o aspecto matricial do método e, as funcionalidades de manipulação matricial do ambiente. Isto motivou a concepção da toolbox meftoot apresentada neste trabalho em detalhe, a qual tem por filosofia ser um Ambiente MATLAB - Elementos Finitos para Eletromagnetismo
Abstract: A computational simulation environmentis presented, which was developed over the MATLAB platfonn, for a variety of electromagnetic problems and effects. Due to its versatility and wide scope, the Finite Element Method was adopted for the solutionof the corresponding equations,which are derived from the Maxwell's Equations. Computational aspects and several illustrative examples are discussed in detail. The simulation technique for the Finite Element Method has been broadly used in several branches of engineering and, especially, as an effective aid in the modeling of wave electromagnetic devices. On the other hand,with a very wide diffusion in the scientific and industrial market, MATLAB has shown itself as a powerful tool for the development, test and implementation of a large variety of routines for numerical computation. The merge between MATLAB and the Finite Element programming techniques becomes an almost natural task, if we take into account the characteristics of the method and the MATLAB's functionality to manipulate arrays, in an efficient and effective manner. This motivated the conception of the toolbox presented here, called meftool, which has for philosophy o be a MATLAB-Finite Element Environment for Electromagnetics
Mestrado
Telecomunicações e Telemática
Mestre em Engenharia Elétrica
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Fehr, Hendrik. "matlab scripts: mmc periodic signal model". Technische Universität Dresden, 2021. https://tud.qucosa.de/id/qucosa%3A75460.
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Calculate solutions of a dynamic MMC energy-based model, when the system variables, i.e. the voltages and currents, are given as periodic signals. The signals are represented by a finite number distinct frequency components.
As a result, the arm energies and cell voltages are given in this signal domain and can easily be translated to time domain as well.:cplx_series.m
cplx_series_demo.m
energy_series.m
denergy_series.m
check_symmetry.m
transf2arm.m
LICENSE.GNU_AGPLv3
sconv2.m
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Kuchár, Peter. "Simulace síťového prvku v prostředí Matlab". Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2011. http://www.nusl.cz/ntk/nusl-218829.
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Master’s thesis is dedicated to the issue of network element. In the first part are described technological aspects as the internal structure of network elements and control mechanisms that provide differentiaton of services and support their quality requirements. In the first chapter are listed control mechanisms from most simple like FIFO to the more sophisticated like CBWFQ. Active queue managements are not missing and they are described in the section Riadiaci člen. Significant role in the differentiation of services have processes marking and pakets classification. The second chapter is devoted most promising standard DiffServ. Contains section devoted to architecture, paket marking, code point DSCP and the final part is devoted to the types of per-hop behavior and it is expedited forwarding EF and technique assured forwarding AF. The third chapter gives an overview common models of neural networks, their properties and assess their suitability for deployment in network elements. The routher design itself and its structure in programming environment Matlab/Simulink is the subject of the fourth chapter. Except used bloks from Simulink library is described their setting and function in the wiring. Consequently results are reviewied and conclusions drawn.
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Zvončák, Vojtěch. "Vizualizace biomedicinských dat v prostředí Matlab". Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2016. http://www.nusl.cz/ntk/nusl-242169.
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The thesis deals with the visualization of biomedical data in MATLAB environment. The thesis contains following statistical methods and their descriptions: P-P plot, Q-Q plot, histogram, box plot, kernel denstity estimation, scatter plot and several time series metrics. Some functions are programmed from buil-in functions of MATLAB and others using external functions, which are changed to fit to this thesis’s purpose. First part of the thesis conserns theoretical background, whereas the second part conserns practical programmed realizations of mentioned functions. The program contains a graphical user interface - GUI, which the thesis describes in detail. The purpose of the GUI is to ensure ease of use and also data processing. The output graphs of GUI are shown in chapter 5. The last part deals with the possible extensions of the program.