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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Algorithms for symbolic integration of rational functions

Horowitz, Ellis. January 1970 (has links)
Thesis (Ph. D.)--University of Wisconsin--Madison, 1970. / Typescript. Vita. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references.
2

Nonlinear model reduction using the group proper orthogonal decomposition method /

Dickinson, Benjamin T. January 1900 (has links)
Thesis (M.S.)--Oregon State University, 2008. / Printout. Includes bibliographical references (leaves [51-54]). Also available on the World Wide Web.
3

Adaptive time-scale decomposition for multiscale systems /

Hawley, Stephen Dwyer. January 2008 (has links)
Thesis (Ph. D.)--University of Washington, 2008. / Vita. Includes bibliographical references (p. 63-64).
4

Filtering tools in financial market trading: from moving average to empirical mode decomposition.

January 2012 (has links)
技術分析包括圖表分析和技術指標分析。比較兩者,前者偏於主觀,並且解讀方式不一,而後者卻能用科學方法來考量。本研究論文先分析市場上流行的技術指標,移動平均線。交易員觀測兩條不同日數的移動平均線,從兩線相交處尋找進出市場的時機。從領域來看,兩條不同日數的移動平均線之差屬於一種帶通濾波器。本文將解釋帶通濾波器與市場進出規則之間的關係。除了移動平均線這種線性方法,我們同時考慮非線性的訊號處理工具。特別地,本研究採用近代提出的經驗模態分解法,得出類似移動平均線相交法的一種新交易策略。我們將文中提及的方法應用在香港及中國過去五年的股票市場,並給出數值結果以顯其效。 / Technical analysis includes chart pattern reading and stock market indicators. While the former is subjective and open to different interpretations, the latter is quantied in a more scientic way. The moving average, a popular market indicator, will be analyzed in this thesis. Traders monitor the crossovers of two moving averages with different durations to nd market entry timings. From the viewpoint of frequency domain, the difference of two such moving averages is found to be a band-pass filter. The relation between band-pass filter and market entry strategy is explained. Apartfrom linear methods such as the moving average,non linear signal processing tool is also studied. In particular,the modern empirical mode decomposition is applied to derive a new trading strategy similar to the moving average crossover rule. The introduced methods are put to the test in the Hong Kong and Chinese stock markets for the last five years. Numerical results are presented to show the performance of the methods. / Detailed summary in vernacular field only. / Lee, Tsz Ho. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2012. / Includes bibliographical references (leaves 64-66). / Abstracts also in Chinese. / Chapter 1 --- Introduction --- p.7 / Chapter 2 --- Linear Filters --- p.11 / Chapter 2.1 --- Introduction --- p.11 / Chapter 2.2 --- Frequency response --- p.13 / Chapter 2.3 --- Recursive filters --- p.16 / Chapter 2.4 --- Convolution theorem --- p.20 / Chapter 3 --- Momentum Indicators --- p.23 / Chapter 3.1 --- Introduction --- p.23 / Chapter 3.2 --- Momentum indicators --- p.24 / Chapter 3.3 --- Crossover of two moving averages --- p.25 / Chapter 3.4 --- MACD and acceleration indicators --- p.27 / Chapter 4 --- Profitability of Momentum Indicators --- p.33 / Chapter 4.1 --- Introduction --- p.33 / Chapter 4.2 --- Trading methodology --- p.34 / Chapter 4.3 --- Evaluating the performance --- p.36 / Chapter 4.4 --- Results of evaluation --- p.39 / Chapter 5 --- Empirical Mode Decomposition --- p.45 / Chapter 5.1 --- Introduction --- p.45 / Chapter 5.2 --- Instantaneous frequency --- p.46 / Chapter 5.3 --- Empirical mode decomposition --- p.47 / Chapter 5.4 --- Trading methodology --- p.50 / Chapter 5.5 --- Results of evaluation --- p.52 / Chapter 6 --- Discussions --- p.57 / Chapter A Descriptive Statistics and Additional Numerical Results --- p.60 / Bibliography --- p.64
5

A domain decomposition method for some partial differential equations with singularities

Cheung, Charissa Chui-yee 01 January 1997 (has links)
No description available.
6

Approximation for minimum triangulations of convex polyhedra

Fung, Ping-yuen. January 2001 (has links)
Thesis (M. Phil.)--University of Hong Kong, 2001. / Includes bibliographical references (leaves 56-59).
7

Analysis of a nonhierarchical decomposition algorithm /

Shankar, Jayashree, January 1992 (has links)
Thesis (M.S.)--Virginia Polytechnic Institute and State University, 1992. / Vita. Abstract. Includes bibliographical references (leaves 44-48). Also available via the Internet.
8

Learning hierarchical decomposition rules for planning : an inductive logic programming approach /

Reddy, Chandrasekhara K. January 1900 (has links)
Thesis (Ph. D.)--Oregon State University, 1999. / Typescript (photocopy). Includes bibliographical references (leaves 123-129). Also available on the World Wide Web.
9

A wavelet packet based sifting process and its application for structural health monitoring

Shinde, Abhijeet Dipak. January 2004 (has links)
Thesis (M.S.)--Worcester Polytechnic Institute. / Keywords: Wooden Structure; Damage Detection; Structural Health Monitoring; Instantaneous Modal Parameters; Wavelet Analysis; Time Varying Systems; Sifting Process. Includes bibliographical references (p. 77-82).
10

Nonlinear optimized Schwarz preconditioning for heterogeneous elliptic problems

Gu, Yaguang 14 August 2019 (has links)
In this thesis, we study problems with heterogeneities using the zeroth order optimized Schwarz preconditioning. There are three main parts in this thesis. In the first part, we propose an Optimized Restricted Additive Schwarz Preconditioned Exact Newton approach (ORASPEN) for nonlinear diffusion problems, where Robin transmission conditions are used to communicate subdomain errors. We find out that for the problems with large heterogeneities, the Robin parameter has a significant impact to the convergence behavior when subdomain boundaries cut through the discontinuities. Therefore, we perform an algebraic analysis for a linear diffusion model problem with piecewise constant diffusion coefficients in the second main part. We carefully discuss two possible choices of Robin parameters on the artificial interfaces and derive asymptotic expressions of both the optimal Robin parameter and the convergence rate for each choice at the discrete level. Finally, in the third main part, we study the time-dependent nonequilibrium Richards equation, which can be used to model preferential flow in physics. We semi-discretize the problem in time, and then apply ORASPEN for the resulting elliptic problems with the Robin parameter studied in the second part.

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