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 18 of 18 for “"Exponential functions"”.
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Using Manipulatives to Investigate ESOL Students' Achievement and Dispositions in Algebra
… (ESOL) as they employ them to explore linear and exponential functions in high school Sheltered Common Core Coordinate Algebra. Also of interest were the effects concrete and virtual manipulatives have on their disposition towards mathematics and math class. Another goal was to investigate the …
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Investigation of polarization switching over broad time and field domains in various ferroelectrics
… studies have been fit to multiple stretched exponential functions extending over decades of order of magnitude in the time domain. Stretched exponential functions for domain nuclei formation, and for domain variant growth have been found. For example, [001]c, [110]c, and [111]c oriented …
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The exponential function and its inverse
Electronic Thesis or Dissertation
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A perturbation approach to control of rotational/translational maneuvers of flexible space vehicles
… is accomplished through the use of matrix exponential functions. Maneuvers which involve the translational degrees of freedom, are described by nonlinear equations. The solution method presented is a algorithm that generates successive approximations similar to quasi-linearization. A …
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Neural Networks Satisfying Stone-weiestrass Theorem And Approximating
… neural nets can approximate all but pathological functions, Neil Cotter considered neural network architecture based on Stone-Weierstrass Theorem. Using exponential functions, polynomials, rational functions and Boolean functions one can follow the method given by Cotter to obtain neural networks, …
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Monte-Carlo Simulation of Diffusion as an Aid to Interpreting Quasi-elastic Neutron Scattering from Lattice Gas Systems with Diffusion on Multiple Time-Scales
… involves the calculation of pair correlation functions G(r, t) from Monte Carlo simulations of diffusion in lattice gas systems. Fourier transforming G(r, t) in both time and space yields a scatting function S(Q, ω), comparable to that which would be obtained from QENS measurements from …
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Photochromic textiles
… the photochromic response are also examined. Bi-exponential functions, which are used in optical yield (Oy) calculations, have been described to provide a good description of the kinetics of colour change intensity of photochromic pigments, giving a good fit. The optical yield of the photochromic …
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Responses of fruit-feeding butterflies to selective logging in Sabah, Borneo
… and longevity distributions fitted negative exponential functions showing that the study species were dispersing randomly and had a constant rate of survival over time. Dispersal and longevity did not differ between habitats or sexes but did differ between species in relation to body size and …
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The effects of moisture, cation concentration, temperature, density and composition of soils on their electrical resistivity
… are related to soil resistivity by powe r functions, whereas soil resistiv ity and temperature, density, Yo gravel, sand , sil t, and clay are related by exponential functions . A total of 1066 cases (8528 data) from all the experiments were used in a step-wise multiple linear r egression …
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Experimental investigation of nitrogen oxide production in premixed reacting jets in a vitiated crossflow
… In lean-premixed combustion, NOx levels are exponential functions of temperature and linear functions of residence time. Consequently, NOx production rates are high at such temperatures, and conventional combustor architectures are unable to simultaneously deliver low NOx and part-load …
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Mechatronic and biomechanical considerations toward the design of an ankle clonus simulator
… literature, were computed and compared. Double exponential functions were consequently selected as the appropriate models for passive stiffness for healthy and clonus cases. Sensor systems were designed to provide appropriate force readings, joint angle measurements and estimates of clinical …
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A Micromechanics Study on Ferroelectrics and Multiferroic Composites
… to interpret the influence of a frequency, an exponential function is introduced to express the remanent polarization and coercive field in terms of the frequency. We incorporate the frequency-dependent exponential functions into the micromechanics-based model to establish the nonlinear …
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The effects of dust on the derived photometric parameters of disks and bulges in spiral galaxies
… commonly used infinitely thin disks described by exponential, general Sersic and de Vaucouleurs distributions. The analysis was done firstly for disks and bulges seen in isolation (thus quantifying dust and projection effects) and subsequently for the same morphological components seen together …
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Evidence of Nuclear Rainbow in the 16O + 27Al elastic scattering @ 280 MeV
… 16O + 27Al angular distribution was fitted using exponential functions in three different angular ranges. This procedure made it possible to better appreciate the systematic deviation of the data with respect to the rapid exponential decrease expected for a strong absorptive system. The rise of …
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Revenue management for multiple product recovery options : a triangulation approach
… recovery options, return rate and demand rate as exponential functions, recovery capacity limitation, product substitution policy, the element of uncertainty in terms of return quantity and reprocessing time, and multiple time periods. Hence, this research fulfils six main research gaps in …
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Applications of Bayesian networks in natural hazard assessments
… density estimations or mixtures of truncated exponential functions. All our proceedings are completely data-driven. We thus avoid assumptions that require expert knowledge and instead provide domain independent solutions, that are applicable not only in other natural hazard assessments, but in …