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 6028 for “"discrete"”.
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Analysis of Discrete Fractional Operators and Discrete Fractional Rheological Models
… of two main parts: Monotonicity results on discrete fractional operators and discrete fractional rheological constitutive equations. In the first part of the thesis, we introduce and prove new monotonicity concepts in discrete fractional calculus. In the remainder, we carry previous results …
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Discrete Structural Optimization
Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 1978.
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Discrete noiseless coding
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering, 1957.
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Discrete robotic construction
Robots, which require the integration of a wide variety of mechanical and electrical functionality, are seldom built in a single process, but are instead assembled from parts created using a variety of different processes. While fabrication has advanced significantly to enable the routine …
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Discrete mechanical metamaterials
… platforms. First, I build on the topic of discrete materials, which showed a finite set of modular parts can be incrementally and reversibly assembled into larger functional structures.
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Exterior discrete semi-flows
An exterior discrete semi-flow is a discrete semi-flow generated by an exterior continuous map. The aim of this doctoral thesis is to profoundly study the notion of exterior discrete semi-flow and to apply it to the analysis of iterative processes induced by some numerical methods. Firstly, we …
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Spectroscopy of Discrete Breathers
… a spatial localized and time periodic state (discrete breather) and small amplitude plane waves is studied.
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Unconstrained Nonlinear Discrete Search
Made available in DSpace on 2014-12-13T19:55:24Z (GMT). No. of bitstreams: 1 7709001.pdf: 5423846 bytes, checksum: b37256913660fca051eab0333a7a51ac (MD5) Previous issue date: 1976
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Discrete-time randomized sampling
Thesis (M.Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2001.
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Discrete Continuum Robotic Structures
… into a single material system composed of a discrete building block core and a folded outer- mold-line layer. As examples, this thesis recreates a water snake and a morphing wing inspired by birds camber morphing.
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Discrete, amorphous physical models
Discrete models of physical phenomena are an attractive alternative to continuous models such as partial differential equations. In discrete models, such as cellular automata, space is treated as having finitely many locations per unit volume. Physical processes are modelled by rules that typically …
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Problems in discrete optimization
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Mathematics, 1993.
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Discrete cellular lattice assembly
Robotic assembly of discrete cellular lattices at super-hertz (>1Hz) assembly rates is shown to be possible by integrating the design of a modular robotic assembler with the specified lattice topology such that the lattice can itself be removed from the incremental assembly process. Limits to …
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Discrete Small Sample Asymptotics
Random variables defined on the natural numbers may often be approximated by Poisson variables. Just as normal approximations may be improved by saddlepoint methods, Poisson approximations may be substantially improved by tilting, expansion, and other related methods. This work will develop and …
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Overcoming Computational Complexity Barriers for Optimal Transport in Discrete and Semi-Discrete Settings
… given a $d$-dimensional continuous (resp. discrete) probability distribution $mu$ defined over a support $Asubsetmathbb{R}^d$ and a discrete distribution $nu$ defined over a support $Bsubsetmathbb{R}^d$, the semi-discrete (resp. discrete) optimal transport problem asks for computing a …
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Discrete particle transport in porous media : discrete observations of physical mechanisms influencing particle behavior
An understanding of how discrete particles in the micron to submicron range behave in porous media is important to a number of environmental problems. Discrete particle behavior in the interior of a porous medium is complex and influenced by various physical and chemical factors. This work aimed to …
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Linear Discrete-time Dissipative Systems
… methods of Lyapunov. This thesis concerns discrete-time dissipative systems, and its main goal is to present versions of the discrete-time positive real and discrete-time bounded real lemmas that do not require the assumptions of controllability and observability, and in fact require no …
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Discrete optimization of upgrade scheduling
A primary objective of the mission to meet climate change goals of reducing greenhouse gas (GHG) emissions is to transition from fossil fuels to zero-emission energy. Fossil fuel production and transportation account for approximately half of the GHG emissions in Canada, making transitioning to …
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The discrete coagulation-fragmentation system
… the evolution of fragmenting and coalescing discrete-sized particle clusters.We express this discrete coagulation-fragmentation system as an abstract Cauchy problem posed in an appropriate Banach space of sequences. The theory of operator semigroups is then used to establish the existence and …
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