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 135 for “"Convergence Properties"”.
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Some convergence properties of Minkowski functionals given by polytopes
1 PDF file (vii, 28 pages)
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Convergence Properties of the Eigenfunction Expansion of the Biharmonic Equation on Rectangular and Semi-Infinite Strips
We consider the problem (DELTA)('2)(w(x,y)) = 0, w((+OR-)1,y) = w(,x)((+OR-)1,y) = 0 with boundary conditions w(,xx)(x,0) = f(x) w(,yy)(x,0) = g(x) on the semi-infinite strip -1 (LESSTHEQ) x (LESSTHEQ) 1, 0 < y.
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Optimization by simulated evolution and its application to cell placement
… using this mathematical model to analyze convergence properties.
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Approximation of integro-partial differential equations of hyperbolic type
… well-posedness of the state space model and the convergence properties of the approximation scheme. We give numerical results for a sample problem to illustrate some properties of the approximation scheme.
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FIRST-PRINCIPLES SIMULATIONS OF SOLID STATE BATTERY MATERIALS
… to provide qualitative information about the convergence properties of transport coefficients. The materials Li(2+x)SnO3 and Li(2+x)SnS3 are studied in the context of electrodes for Li-ion batteries. Their structures are calculated, conduction pathways for the Li-ions predicted, open cell …
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Row Projection Methods for Linear Systems
… equations. RP methods are categorized and their convergence properties summarized and extended. An implementation approach is presented for nonsymmetric matrices arising from the seven point centered difference operator applied to three dimensional elliptic partial differential equations. This …
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Efficient Setup Algorithms for Parallel Algebraic Multigrid
… of more efficient algorithms without affecting convergence properties.
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A Spacetime Discontinuous Galerkin Finite-Element Method for Elastodynamic Analysis
… results. The second study investigates the convergence properties of the numerical model. Numerical results report that the method delivers optimal convergence rate. The third study involves a crack-tip wave scattering problem, in which a step loading is applied to a solid medium of finite …
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Blind Multichannel Image Deconvolution and Optimum Sparse Approximations
… compact set. We show that the algorithm has good convergence properties through a detailed theoretical analysis and demonstrate its performance on some examples.
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Imprecise computation in real-time control systems
… the imprecise computation has certain desired convergence properties and show how to design control systems so that the systems have satisfactory performance.
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Pseudo-linear indentification and its application to adaptive control
… state and parameter estimation problem. The convergence properties of the algorithm in the stochastic case are investigated through simulation and comparisons with popular methods are made. The method is then extended to allow the tracking of time-varying system parameters. An adaptive …
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Localization and tracking of parameterized objects in point clouds
… and reliability. Improvements in mathematics and convergence properties have shown that this method can be realized in real time.
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Analysis of slow convergence regions in adaptive systems
In this thesis, the convergence properties of errors are examined in a class of adaptive systems that corresponds to adaptive control of linear time-invariant plants with state variables accessible. The existence of a sticking region is demonstrated in the error space where the state errors move …
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Efficient Structure and Motion: Path Planning, Uncertainty and Sparsity
… and mapping, and shows it has superior convergence properties compared with the state-of-the-art. The second paper presents a continuous optimization method for mobile robot path planning, designed to minimize the uncertainty of the geometry reconstructed from images taken by the robot. …
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Latent variable models for understanding user behavior in software applications
… propose a new inference scheme which has better convergence properties than other reasonable baselines.
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Development of electronic structure and kinetics methods for the rational design of electrocatalysts
… correlation, as well as a proof on BET's ideal convergence properties. We then present a theoretical analysis using density functional theory (DFT) on a class of GCCs containing cationic nitrogen atoms, which are particularly active for catalyzing the oxygen reduction reaction (ORR). Using a …
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Multiprocessing with microprocessors for power flow analyses
… presented is fast and appears to have good convergence properties. The improved algorithm is extended to distributed processing. Characteristics of a distributed microcomputer system and a multiple processor system are discussed. Intel 8080, 8085 and 8086 versions of distributed and …
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