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Matrix solution for linear and nonlinear buckling of hyperboloids of revolutionPan, Chen January 2011 (has links)
Typescript (photocopy). / Digitized by Kansas Correctional Industries
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Fast solvers for Toeplitz systems with applications to image restorationWen, Youwei. January 2006 (has links)
Thesis (Ph. D.)--University of Hong Kong, 2006. / Title proper from title frame. Also available in printed format.
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Matrix computations on graphics processors and clusters of gpusIgual Peña, Francisco Daniel 25 May 2011 (has links)
Las arquitecturas destinadas a computación de altas prestaciones (HPC) basadas en aceleradores gráficos (GPUs) se han convertido en los últimos años en una alternativa extendida que combina altas prestaciones y un bajo coste de adquisición. Pese a que la facilidad de programación de este tipo de arquitecturas ha mejorado en las últimas generaciones, todavía necesitan grandes esfuerzos si es necesario optimizar las rutinas a implementar.
Por otra parte, las rutinas de álgebra lineal aparecen en un amplio abanico de aplicaciones científico técnicas. Su optimización resulta clave a la hora de obtener elevadas prestaciones en aplicaciones reales existentes en diversos ámbitos.
El objetivo de la presente tesis es diseñar, implementar y evaluar estrategias de programación que permitan elevar las prestaciones de rutinas de álgebra lineal comunes sobre arquitecturas basadas en un procesador gráfico, múltiples procesadores gráficos y clústers de GPUs, adoptando un enfoque de alto nivel que facilita el desarrollo de las mismas. Los resultados experimentales obtenidos demuestran la viabilidad de este enfoque, consiguiendo destacables aceleraciones sobre los tres tipos de arquitecturas seleccionadas.
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On the Structure of Nonnegative Semigroups of MatricesWilliamson, Peter January 2009 (has links)
The results presented here are concerned with questions of decomposability of multiplicative semigroups of matrices with nonnegative entries. Chapter 1 covers some preliminary results which become useful in the remainder of the exposition. Chapters 2 and 3 constitute an exposition of some recent known results on special semigroups. Chapter 2 explores conditions for decomposability of semigroups in terms of conditions derived from linear functionals and in Chapter 3, we give a complete proof of an extension of the celebrated Perron-Frobenius Theorem. No originality is claimed for the results in Chapters 2 and 3. In Chapter 4, we present some new results on sufficient conditions for finiteness of semigroups of matrices.
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On the Structure of Nonnegative Semigroups of MatricesWilliamson, Peter January 2009 (has links)
The results presented here are concerned with questions of decomposability of multiplicative semigroups of matrices with nonnegative entries. Chapter 1 covers some preliminary results which become useful in the remainder of the exposition. Chapters 2 and 3 constitute an exposition of some recent known results on special semigroups. Chapter 2 explores conditions for decomposability of semigroups in terms of conditions derived from linear functionals and in Chapter 3, we give a complete proof of an extension of the celebrated Perron-Frobenius Theorem. No originality is claimed for the results in Chapters 2 and 3. In Chapter 4, we present some new results on sufficient conditions for finiteness of semigroups of matrices.
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Realizations of BC(r)-graded intersection matrix algebras with grading subalgebras of type B(r), r greater than or equal to 3 /Bhargava, Sandeep. January 2008 (has links)
Thesis (Ph.D.)--York University, 2008. Graduate Programme in Mathematics and Statistics. / Typescript. Includes bibliographical references (leaves 275-278). Also available on the Internet. MODE OF ACCESS via web browser by entering the following URL: http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&res_dat=xri:pqdiss&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&rft_dat=xri:pqdiss:NR45986
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On the eigenvalues of square quaternion matrices : together with An elementary and simple proof of the connectedness of the classical groups (with Y.C. Wong) ; A note on some theorems for ordinary differential equations ; and, On Liapounoff's stability theorems /Au-Yeung, Yik-hoi. Huang, Yung-tsou. January 1966 (has links)
Thesis (M. Sc.)--University of Hong Kong, 1966. / Typewritten.
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Matrix nearness problems in data miningSra, Suvrit, 1976- 28 August 2008 (has links)
Not available / text
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Iterative methods for non-hermitian positive semi-definite systemsHo, Man-Kiu., 何文翹. January 2004 (has links)
published_or_final_version / abstract / toc / Mathematics / Master / Master of Philosophy
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Linear operators preserving generalized numerical ranges and radii on certain triangular matrices施能聖, Sze, Nung-sing. January 2002 (has links)
published_or_final_version / abstract / toc / Mathematics / Master / Master of Philosophy
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