Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 57 for “"pivoting"”.
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Aggregation for modular robots in the pivoting cube model
… self-reconfiguration of modular robots in the pivoting cube model. First, we provide generic algorithms for aggregation of robots following integrator dynamics in arbitrary dimensional configuration spaces. We describe solutions to the problem under different assumptions on the capabilities of …
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Scalable parallel tridiagonal algorithms with diagonal pivoting and their optimization for many-core architectures
… solvers, like Matlab or Intel MKL, due to no pivoting. Meanwhile, conventional pivoting algorithms are sequential and not applicable to GPUs. In this thesis, we propose three scalable tridiagonal algorithms with diagonal pivoting for better quality of solutions than the state-of-the-art GPU …
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Our stories heal -- mind, body and soul : pivoting to a healing-centered engagement in an applied theatre residency
Professor, author, and youth development activist Shawn Ginwright proposes the importance of healing-centered engagement (HCE) for youth in urban communities and their facilitators. His scholarship invites readers to gain a unique perspective on how as youth development professionals engage and …
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Smoothed analysis of Gaussian elimination
… of Gaussian elimination, both with partial pivoting and without pivoting. Let A be any matrix and let A be a slight random perturbation of A. We prove that it is unlikely that A has large condition number. Using this result, we prove it is unlikely that A has large growth factor under …
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Solving layout compaction and wire-balancing problem using linear programming on the Monsoon multiprocessor
… per cycle. In this thesis, we compare sequential pivoting with concurrent pivoting strategy in the NDS algorithm. From the experiments, we show that the loss of basicity after concurrent pivoting and then, retaining it makes the NDS slower due to the poor performance of the 0-token spanning-tree …
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A novel flow-based statistical pattern recognition architecture to detect and classify pivot attacks
Pivot attack or pivoting is a well-known technique used by threat actors to cover their tracks and overcome connectivity restrictions imposed by the network defences or topology. Therefore, detecting ongoing pivot attacks while the opponent has not yet achieved their goals is essential for a solid …
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The implementation of sequential and parallel algorithms for solving almost block bidiagonal systems
… algorithms, the Alternate Row and Column Pivoting Algorithm, the Structured QR Algorithm, the Structured LU Algorithm and the Least Square Algorithm, are implemented and some stability issues of these algorithms are considered. Numerical results are presented. In Part II, the corresponding …
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‘Dancing among elephants’ : framing the rise of Indonesia, South Africa and Turkey (2000-2015) by applying analytic eclecticism to the concept of pivot state
… are framed in the theoretical construction of pivoting behaviours: (1) soft-revisionist, (2) normative bridge-builder, and (3) accommodative regional leadership. An investigation of three countries (Indonesia, South Africa and Turkey) presented via three thematic case studies – (1) states of …
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‘Dancing among elephants’ : framing the rise of Indonesia, South Africa and Turkey (2000-2015) by applying analytic eclecticism to the concept of pivot state
… are framed in the theoretical construction of pivoting behaviours: (1) soft-revisionist, (2) normative bridge-builder, and (3) accommodative regional leadership. An investigation of three countries (Indonesia, South Africa and Turkey) presented via three thematic case studies – (1) states of …
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Eliciting and Aggregating Forecasts When Information is Shared
… and develop an aggregation method, called pivoting, which separates individual forecasts into shared and private information and then recombines these results in the optimal manner. I develop a tailored pivoting procedure for each of three information models, and introduce a simple and …
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Designing a mechanism to cleave silicon wafers
… components: the stationary vacuum chuck, and the pivoting vacuum chuck, and the base plate, which supported the two vacuum chucks. Hinges connected the two vacuum chucks and allowed one to cleave a silicon wafer resting atop the two chucks simply by applying a small load on the handle of the …
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A Generic Mesh Data Structure With Parallel Applications
… to remove a search step normally required for pivoting in indefinite solvers. We demonstrate pairwise pivoting may have advantages over partial pivoting for ill-conditioned sparse matrices arising from meshes. We also present a novel, parallel algorithm that consistently approximates the medial …
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A Generic Data Structure with Parallel Applications
… to remove a search step normally required for pivoting in indefinite solvers. We demonstrate that pairwise pivoting may have advantages over partial pivoting for ill-conditioned sparse matrices arising from meshes. We also present a novel, parallel algorithm that consistently approximates the …
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Vertex enumeration and counting for certain classes of polyhedra
… and theoretical viewpoint, are based on pivoting. Dyer [24] gives an algorithm for simple polytopes which runs in time O (mn^2) per vertex. In this thesis we concentrate on the VE problem for certain special classes of polyhedron. We also address the problem of (approximately) counting …
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Técnicas iterativas para a solução de sistemas de equações lineares oriundos do método dos elementos de contorno
… of equations. Although trustful mainly when pivoting is employed, Gauss elimination is very expensive. This work aims to investigate the possibility of applying iterative "solvers" to BEM analysis, and to select (or work out) those which show to be efficient and trustful. To acomplish this …
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Sigma Ratings Case Study
Pivoting is an essential step for the majority of successful entrepreneurial ventures. This case study focuses on MIT startup and delta v alumnus Sigma Ratings, a non-credit agency, founded in 2017 by Gabrielle Haddad and Stuart Jones Jr. It immerses the reader in the decision-making process of the …
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The Sherman Morrison Iteration
… regularized least squares problems. Notions of pivoting and splitting are deliberated on to make the method more robust. The Sherman Morrison iteration method is shown to be effective when dealing with an extremely underdetermined least squares problem. The performance of the Sherman Morrison …
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M-Blocks : three dimensional modular self-reconfigurable robots
… under which the modules move, called the Pivoting Cube Model (PCM), are discussed in depth. Each 50 mm 3D M-Block module contains all of the components necessary to operate autonomously and communicate over WiFi. Each module contains a cubic frame which supports the rotation and magnetic …
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Conversing Opportunities into Existence: An Examination of Discourse Structures used within the Opportunity Development of Nascent Entrepreneurship
… interpretation process used during ideation and pivoting interactions.
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Stability of the Bruhat decomposition
… example, for Gaussian elimination with partial pivoting (GEPP), the growth of elements in the derived matrices is measured using the growth factor YoP = maxla;~I/ maxia;,I, where A(i) = [a;n is the ith l,J,I; J,k derived matrix. GEPP is well-known to be unstable ( YoP is exponential inn) for …
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