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Dissertations / Theses on the topic 'Matrix'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Vieira, Ewerton Rocha 1987. "Transition matrix theory = Teoria da matriz de transição." [s.n.], 2015. http://repositorio.unicamp.br/jspui/handle/REPOSIP/307536.

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Orientador: Ketty Abaroa de Rezende<br>Tese (doutorado) - Universidade Estadual de Campinas, Instituto de Matemática Estatística e Computação Científica<br>Made available in DSpace on 2018-08-26T22:09:01Z (GMT). No. of bitstreams: 1 Vieira_EwertonRocha_D.pdf: 1632095 bytes, checksum: 5dc3208efc5649260ca62805c3e8e1b6 (MD5) Previous issue date: 2015<br>Resumo: Nessa tese, apresentamos uma unificação da teoria das matrizes de transição algébrica, singular, topológica e direcional ao introduzir a matriz de transição (generalizada), a qual engloba todas as quatros citadas anteriormente. Alguns r

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2

Messent, Anthea Jane. "Novel roles for matix metalloproteinases in cell-matrix interactions." Thesis, Open University, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.242514.

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3

Friberg, Adam. "Matrix Integrals : Calculating Matrix Integrals Using Feynman Diagrams." Thesis, Uppsala universitet, Teoretisk fysik, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-227928.

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In this project, we examine how integration over matrices is performed. We investigate and develop a method for calculating matrix integrals over the set of real square matrices. Matrix integrals are used for calculations in several different areas of physics and mathematics; for example quantum field theory, string theory, quantum chromodynamics, and random matrix theory. Our method consists of ways to apply perturbative Taylor expansions to the matrix integrals, reducing each term of the resulting Taylor series to a combinatorial problem using Wick's theorem, and representing the terms of th

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4

Kunchum, Rakshith. "On Improving Sparse Matrix-Matrix Multiplication on GPUs." The Ohio State University, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=osu1492694387445938.

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5

Munro, Christopher James. "Algorithms for matrix polynomials and structured matrix problems." Thesis, University of Manchester, 2011. https://www.research.manchester.ac.uk/portal/en/theses/algorithms-for-matrix-polynomials-and-structured-matrix-problems(9154f9f0-8b86-46f8-8066-40c5139fcc51).html.

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6

Rife, Susan A. "Matrix algebra." Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 1996. http://handle.dtic.mil/100.2/ADA316035.

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7

McGinn, Bonnie Gay. "Creative Matrix." VCU Scholars Compass, 2007. http://hdl.handle.net/10156/1366.

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8

Delatorre, Anthony R., and William K. Cooke. "Matrix algebra." Thesis, Monterey, California. Naval Postgraduate School, 1998. http://hdl.handle.net/10945/8658.

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Approved for public release; Distribution is unlimited<br>This thesis is designed to act as an instructor's supplement for refresher matrix algebra courses at the Naval Postgraduate School (NPS). The need for a beginning matrix algebra supplement is driven by the unique circumstances of most NPS students. Most military students attend XPS several years after receiving their undergraduate degrees. This supplement, unlike most college textbooks, bridges the gap between the student's educational lay-off and the rigors of mathematically oriented degrees such as applied math, operations research an

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9

Johansson, Isak, and Eriksson Jonas Bederoff. "Matrix similarity." Thesis, KTH, Skolan för teknikvetenskap (SCI), 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-194214.

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This thesis will deal with similar matrices, also referred to as matrix conju- gation. The rst problem we will attack is whether or not two given matrices are similar over some eld. To solve this problem we will introduce the Ratio- nal Canonical Form, RCF. From this normal form, also called the Frobenius normal form, we can determine whether or not the given matrices are sim- ilar over any eld. We can also, given some eld F, see whether they are similar over F or not. To be able to understand and prove the existence and uniqueness of the RCF we will introduce some additional module theory. Th

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10

Schuler, Sabine. "Modelling consolidation of matrix-coated fibre metal matrix composites." Thesis, University of Oxford, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.284419.

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11

Stanton, Heather. "The role of matrix metalloproteinases in cell-matrix interactions." Thesis, Open University, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.284376.

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12

Xie, Tailiang. "Positive definite matrix-valued functions and matrix variogram modeling." Diss., The University of Arizona, 1994. http://hdl.handle.net/10150/186727.

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In many applications in the physical and earth sciences there are multiple variables of interest which are correlated. In these cases, the spatial random function becomes vector-valued, in which spatial correlation and component (inter-variable) correlation come out simultaneously. We denote by Z(x) = (z₁(x), …, z(m)(x)ᵀ the vector-valued random function. Similarly the covariance and variogram structure of Z(x) play a central role in any prediction scheme. But the covariance function and variogram of Z(x) are no longer scalar functions. They are matrix-valued functions when m > 1 and have a po

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13

Cheung, Caroline Tsui Yee. "Matrix metalloproteinases, inflammation, and matrix remodeling in coxsackievirus-induced myocarditis." Thesis, University of British Columbia, 2007. http://hdl.handle.net/2429/30760.

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Myocarditis, or inflammation and injury of the heart muscle, induced by infection with coxsackievirus B3 (CVB3) is believed to lead to longterm heart disorders. Under pathological conditions, dysregulation of cardiac extracellular matrix (ECM) turnover results in maladaptive remodeling, progression of disease, and depressed cardiac function. The mechanisms by which this ECM alteration occurs are unclear, but inflammatory cells may be involved as secretors of matrix metalloproteinases (MMPs), cytokines, and growth factors that regulate ECM homeostasis. I hypothesize that MMPs play import

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14

Clark, Richard L. "Altering the fiber-matrix interphase in semicrystalline polymer matrix composites." Thesis, This resource online, 1994. http://scholar.lib.vt.edu/theses/available/etd-12042009-020216/.

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15

Odelade, Mobolaji. "P300 Control Matrix| A Novel Approach to P300 Speller Matrix." Thesis, North Carolina Agricultural and Technical State University, 2018. http://pqdtopen.proquest.com/#viewpdf?dispub=10976563.

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<p> Over the years, researchers have been able to prove Brain Computer Interface (BCI) -P300 Speller as an effective communication tool. The first P300 speller was developed by Farwell and Donchin (1988), using the oddball paradigm to evoke a P300 response from a speller matrix. This P300 speller matrix has been a strong basis for studies that aimed at using BCI-P300 protocol for spelling, cursor movement, internet navigation or even control and manipulation of devices. However, application of P300 based BCI to controlling and manipulation of devices often involves the user relating with multi

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16

Hu, Fenglin. "Web site matrix." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape7/PQDD_0021/MQ48271.pdf.

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17

Terkhova, Karina. "Capacitance matrix preconditioning." Thesis, University of Oxford, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.244593.

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18

Solhjem, Sara Louise. "Sign Matrix Polytopes." Diss., North Dakota State University, 2018. https://hdl.handle.net/10365/28767.

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Motivated by the study of polytopes formed as the convex hull of permutation matrices and alternating sign matrices, several new families of polytopes are defined as convex hulls of sign matrices, which are certain {0,1,-1}--matrices in bijection with semistandard Young tableaux. This bijection is refined to include standard Young tableau of certain shapes. One such shape is counted by the Catalan numbers, and the convex hull of these standard Young tableaux form a Catalan polytope. This Catalan polytope is shown to be integrally equivalent to the order polytope of the triangular poset: theref

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19

Choglay, Ashraf Ali. "Cell-matrix interactions." Thesis, University of Edinburgh, 1993. http://hdl.handle.net/1842/19624.

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Cellular involvement in collagen fibril organisation is a poorly understood phenomenon. The localisation of procollagen to the cell membrane coincident with secretion, the identification of cell surface receptors for collagen, and the assembly of collagen fibrils within extracellular compartments suggest a role for plasma membranes in the assembly and organisation of collagen fibrils. Cell-collagen interaction may be mediated by collagen receptors, cell surface proteoglycans and also membrane lipids. The interactions of type I collagen with phosphatidylcholine have been described and there hav

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20

Noble, Hannah. "Mueller Matrix Roots." Diss., The University of Arizona, 2011. http://hdl.handle.net/10150/204893.

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This dissertation is comprised of two separate topics within the domain of polarization optical engineering. The first topic is a Mueller matrix roots decomposition, and the second topic is polarization computer generated holography. The first four chapters of the dissertation are on the topic of the Mueller matrix roots decomposition. Recently, an order-independent Mueller matrix decomposition was proposed in an effort to organize the nine depolarization degrees of freedom. Chapter 1 discusses relevant Mueller matrix decomposition prior art and the motivation for this work. In chapter 2, the

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21

De, Biasi Federico. "Matrix-Assisted NMR." Doctoral thesis, Università degli studi di Padova, 2019. http://hdl.handle.net/11577/3424861.

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During the last decades, the interest of chemistry toward increasingly sophisticated processes has grown exponentially. As a consequence, the evolution of the systems under investigation has been necessarily paired with the development of modern methodologies capable of handling the enormous amount of data stemming from samples of great complexity. Among the many examples in the literature, one of the biggest ongoing challenges is the analysis of mixtures, from reaction crude extracts to biological fluids like blood and urine. Indeed, chromatography has been - and still remains - one of the pr

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22

Planello, Aline Cristiane 1980. "Analise de polimorfismos no promotor dos genes MMP1, MMP3 e MMP9 na desordem da articulação temporomandibular." [s.n.], 2010. http://repositorio.unicamp.br/jspui/handle/REPOSIP/288534.

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Orientador: Ana Paula de Souza Pardo<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Odontologia de Piracicaba<br>Made available in DSpace on 2018-08-15T12:46:18Z (GMT). No. of bitstreams: 1 Planello_AlineCristiane_M.pdf: 940083 bytes, checksum: 36ed3b0b3b0d10c144805116e08917dd (MD5) Previous issue date: 2010<br>Resumo: Objetivo: As Metaloproteinases da Matriz ( MMPs) são enzimas que degradam a matriz extracelular (MEC) e tem sido associadas às desordens temporomandibulares (DTM). Nós investigamos a freqüência dos -1607 1G/2G MMP1 polimorfismo (rs1799750), -1171 6

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23

Taylor, Matthew. "On upper triangular tropical matrix semigroups, tropical matrix identities and T-modules." Thesis, University of Manchester, 2017. https://www.research.manchester.ac.uk/portal/en/theses/on-upper-triangular-tropical-matrix-semigroups-tropical-matrix-identities-and-tmodules(d470a4a1-4eca-46c8-b9b8-4377affcc6fe).html.

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24

Gregory, Jeremy R. (Jeremy Ryan) 1976. "The role of precipitates on fiber/matrix interfaces in metal matrix composites." Thesis, Massachusetts Institute of Technology, 2000. http://hdl.handle.net/1721.1/89301.

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25

Bear, Harriet Mary. "The role of tyrosine rich acidic matrix protein in the extracellular matrix." Thesis, University of Edinburgh, 1997. http://hdl.handle.net/1842/21534.

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A number of purification strategies were performed in an attempt to produce highly purified, active TRAMP free from lysyl oxidase for fibrillogenesis and enzymatic studies. TRAMP was eventually purified by DEAE anion exchange followed by Superdex-75 size exclusion (in the presence of urea) and Mono Q FPLC anion exchange chromatography. Yields of 10μg of TRAMP per g wet weight starting material were obtained. TRAMP purified as above was active in fibrillogenesis assays using the 'warm start' technique, in buffers containing 30mM TES, 30mM Na<SUB>2</SUB>HPO<SUB>4</SUB>, 135mM NaCl pH 7.4. The ac

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26

Rodríguez, Escribà Marta. "Role of tRNA modifications in the synthesis of the extracellular matrix." Doctoral thesis, Universitat de Barcelona, 2020. http://hdl.handle.net/10803/668499.

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Transfer RNAs (tRNAs) are key adaptor molecules that mediate decoding of messenger RNAs (mRNAs) into proteins by complementary pairing of their anticodons with mRNA codons. tRNAs that undergo adenosine to inosine editing at the wobble base, or position 34, display expanded codon decoding capacity as inosine enables pairing not only with uridine, but also with cytosine and adenosine. The essential heterodimeric enzyme Adenosine Deaminase Acting on Transfer RNA (ADAT) catalyzes this post-transcriptional modification in eukaryotes and is comprised of subunits ADAT2 and ADAT3. Emergence of heterod

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27

Schafmeister, Frank. "Indirekte Sparse-Matrix Konverter /." Zürich : ETH, 2008. http://e-collection.ethbib.ethz.ch/show?type=diss&nr=17428.

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28

Malek, Fadi. "Polynomial zerofinding matrix algorithms." Thesis, University of Ottawa (Canada), 1995. http://hdl.handle.net/10393/9980.

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In linear algebra, the eigenvalues of a matrix are equivalently defined as the zeros of its characteristic polynomial. Determining the zeros of polynomials by the computation of the eigenvalues of a corresponding companion matrix turns the table on the usual definition. In this dissertation, the work of Newbery has been expanded and a (complex) symmetric or nonsymmetric companion matrix associated with a given characteristic polynomial has been constructed. Schmeisser's technique for the construction of a tridiagonal companion matrix associated with a polynomial with real zeros has been genera

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29

Brenner, Barbara, Bodo B. Schlegelmilch, and Björn Ambos. "Inside the NIKE matrix." WU Vienna University of Economics and Business, 2013. http://epub.wu.ac.at/3791/1/Nike__WU%2DCaseSeries.pdf.

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This case describes how Nike, a consumer goods company with an ever expanding portfolio and a tremendous brand value, manages the tradeoff between local responsiveness and global integration. In particular, the case highlights Nike's organizational structure that consists of a global matrix organization that is replicated at a regional level for the European market. While this organizational structure allows Nike to respond to local consumer tastes it also ensures that the company benefits from integration advantages such as global marketing and sourcing. Supported by rich quotes from Nike ma

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30

Brown, Scott. "Finite reducible matrix algebras." University of Western Australia. School of Mathematics and Statistics, 2006. http://theses.library.uwa.edu.au/adt-WU2006.0079.

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[Truncated abstract] A matrix is said to be cyclic if its characteristic polynomial is equal to its minimal polynomial. Cyclic matrices play an important role in some algorithms for matrix group computation, such as the Cyclic Meataxe of Neumann and Praeger. In 1999, Wall and Fulman independently proved that the proportion of cyclic matrices in general linear groups over a finite field of fixed order q has limit [formula] as the dimension approaches infinity. First we study cyclic matrices in maximal reducible matrix groups, that is, the stabilisers in general linear groups of proper nontrivia

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31

Surovy, Martin. "Matrix Kundt-Newman sequences." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape15/PQDD_0013/MQ35001.pdf.

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32

Wiegers, Yvonne. "Matrix, aspects of identity." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape4/PQDD_0018/MQ57643.pdf.

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33

Austing, Peter. "Yang-Mills matrix theory." Thesis, University of Oxford, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.365336.

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34

Edrees, Hamza J. "Sialon ceramic matrix composites." Thesis, University of Strathclyde, 1990. http://oleg.lib.strath.ac.uk:80/R/?func=dbin-jump-full&object_id=21383.

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The present study has been performed on β'-sialon matrix reinforced with either carbon fiber, metals or TiN components. The study describes the optimum methods of fabrication of these composites and also investigates their mechanical and electrical properties. In carbon fiber/sialon system, reaction between the fiber and the matrix has been identified and overcomed by applying high densification rate and low temperature sintering. Samples containing 10-20V% fiber was hot pressed to almost theoretical density at temperatures 1500-1550°C. In metal reinforced sialon matrix composites there is alw

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35

Soley-Beltran, Patricia. "Transsexualism and hetrosexual matrix." Thesis, University of Edinburgh, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.492685.

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36

Sangsari, Rahman Bahmani. "Matrix type of rings." Thesis, University of Exeter, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.272978.

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37

Heggarty, Jonathan W. "Parallel R-matrix computation." Thesis, Queen's University Belfast, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.287468.

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38

Empringham, Lee. "Matrix converter current commutation." Thesis, University of Nottingham, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.342443.

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39

Zhou, Hanson M. (Hanson Mi) 1977. "Clustering via matrix exponentiation." Thesis, Massachusetts Institute of Technology, 2003. http://hdl.handle.net/1721.1/17671.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, February 2004.<br>Includes bibliographical references (leaves 26-27).<br>Given a set of n points with a matrix of pairwise similarity measures, one would like to partition the points into clusters so that similar points are together and different ones apart. We present an algorithm requiring only matrix exponentiation that performs well in practice and bears an elegant interpretation in terms of random walks on a graph. Under a certain mixture model involving planting a partition via ran

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40

Xin, Yu Ph D. Massachusetts Institute of Technology. "Algorithms for matrix completion." Thesis, Massachusetts Institute of Technology, 2012. http://hdl.handle.net/1721.1/71500.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2012.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (p. 69-72).<br>We consider collaborative filtering methods for matrix completion. A typical approach is to find a low rank matrix that matches the observed ratings. However, the corresponding problem has local optima. In this thesis, we study two approaches to remedy this issue: reference vector method and trace norm regularization. The reference vector method explicitly constructs user and item feature

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41

Srebro, Nathan 1974. "Learning with matrix factorizations." Thesis, Massachusetts Institute of Technology, 2004. http://hdl.handle.net/1721.1/28743.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2004.<br>Includes bibliographical references (p. 157-164).<br>Matrices that can be factored into a product of two simpler matrices can serve as a useful and often natural model in the analysis of tabulated or high-dimensional data. Models based on matrix factorization (Factor Analysis, PCA) have been extensively used in statistical analysis and machine learning for over a century, with many new formulations and models suggested in recent years (Latent Semantic Indexing, Aspect Models,

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42

Nan, Feng S. M. Massachusetts Institute of Technology. "Low rank matrix completion." Thesis, Massachusetts Institute of Technology, 2009. http://hdl.handle.net/1721.1/55077.

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Thesis (S.M.)--Massachusetts Institute of Technology, Computation for Design and Optimization Program, 2009.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (p. 75-76).<br>We consider the problem of recovering a low rank matrix given a sampling of its entries. Such problems are of considerable interest in a diverse set of fields including control, system identification, statistics and signal processing. Although the general low rank matrix completion problem is NP-hard, there exist several heuristic methods that solve the problem approximately by solving the con

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43

Kwizera, Petero. "Matrix Singular Value Decomposition." UNF Digital Commons, 2010. http://digitalcommons.unf.edu/etd/381.

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This thesis starts with the fundamentals of matrix theory and ends with applications of the matrix singular value decomposition (SVD). The background matrix theory coverage includes unitary and Hermitian matrices, and matrix norms and how they relate to matrix SVD. The matrix condition number is discussed in relationship to the solution of linear equations. Some inequalities based on the trace of a matrix, polar matrix decomposition, unitaries and partial isometies are discussed. Among the SVD applications discussed are the method of least squares and image compression. Expansion of a matrix a

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44

Chamberlain, A. "Novel silicate matrix composites." Thesis, University of Warwick, 1994. http://wrap.warwick.ac.uk/107576/.

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Within this study, a novel matrix selection principle, within the MAS glass ceramic system, has been developed with emphasis placed on the use of this matrix in a ceramic fibre reinforced composite. Matrix selection was applied in order to develop a diphasic microstructure to allow tailoring of the matrix thermal expansion coefficient via a phase mixture. The phases selected were a-cordierite and enstatite, with a Nicalon fibre reinforcement. Initial studies centred on the use of chopped fibre systems in order to develop a processing methodology giving the correct phase structure, microstructu

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Bixler, Reid Morris. "Sparse Matrix Belief Propagation." Thesis, Virginia Tech, 2018. http://hdl.handle.net/10919/83228.

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We propose sparse-matrix belief propagation, which executes loopy belief propagation in Markov random fields by replacing indexing over graph neighborhoods with sparse-matrix operations. This abstraction allows for seamless integration with optimized sparse linear algebra libraries, including those that perform matrix and tensor operations on modern hardware such as graphical processing units (GPUs). The sparse-matrix abstraction allows the implementation of belief propagation in a high-level language (e.g., Python) that is also able to leverage the power of GPU parallelization. We demonstrate

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46

Milanovic, Zoran. "Solid matrix Christiansen filters." Diss., The University of Arizona, 1992. http://hdl.handle.net/10150/185764.

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Christiansen filters are scattering filters composed of two materials with dispersion curves (for refractive index) that intersect at one wavelength. These filters transmit unscattered light at the intersection wavelength and incoherently scatter light of other wavelengths. Unlike filters based on optical interference, the transmitted wavelength does not depend on the angle of light incidence on the filter. These filters have been fabricated with solid host matrices by mixing finely ground optical glass powders with pellets of optical grade resins and injection molding the combination into pla

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47

Schatz, Sandra Regina. "From frankenstein to matrix." Florianópolis, SC, 2002. http://repositorio.ufsc.br/xmlui/handle/123456789/83728.

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Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de comunicação e Expressão, Programa de Pós-Graduação em Letras/Inglês e Literatura Correspondente.<br>Made available in DSpace on 2012-10-20T02:49:28Z (GMT). No. of bitstreams: 0Bitstream added on 2014-09-26T01:01:56Z : No. of bitstreams: 1 182188.pdf: 2777855 bytes, checksum: 7b4d6a42680bc77daf11ab9ee93f46bd (MD5)<br>Este trabalho lida com o gênero literário de ficção científica. Combinando os princípios da "Cultural Criticism" e "Reader-Response Criticism," ele discute e interpreta duas narrativas ocidentais: Frankens

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Jungnick, Nadine. "Influenza matrix protein M1." Doctoral thesis, Humboldt-Universität zu Berlin, Mathematisch-Naturwissenschaftliche Fakultät I, 2011. http://dx.doi.org/10.18452/16438.

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Die Aufklärung der Prozesse, die zur Zusammensetzung des Influenza A Virus führen, ist Bestandteil für die Bekämpfung dieser Infektionskrankheit. Der Viruspartikel setzt sich aus einer Hülle, der darunter liegenden Matrix und dem Genom zusammen. Das Genom ist als Bündel aus acht Ribunucleoproteinkomplexen organisiert. Die Hülle besteht aus einer Membran, die mit Sphingomyelin und Cholesterol angereichert ist und den darin eingebetteten Membranproteinen Hämagglutinin, Neuraminidase und dem Protonenkanal M2. Die unter der Hülle liegende Matrix wird von einem einzigen Influenzaprotein formiert:

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49

Zarri, Luca <1972&gt. "Control of matrix converters." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2007. http://amsdottorato.unibo.it/412/1/PhdTesisZarri.pdf.

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Zarri, Luca <1972&gt. "Control of matrix converters." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2007. http://amsdottorato.unibo.it/412/.

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