Mathematical models
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The research subject is the process of economic and mathematical modelling of time series characterizing the bitcoin exchange rate volatility, based on the use of artificial neural networks. The purpose of the work is to search and scientifically substantiate the tools and mechanisms for developing prognostic estimates of the crypto currency market development. The paper considers the task of financial time series trend forecasting using the LSTM neural network for supply chain strategies.
5p longtimenosee09 08-04-2024 7 1 Download
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In this research, an algorithm has been developed to predict traffic density on the delayed Lighthill - Whitham - Richards (LWR) model, in which a regularization difference method has been proposed as the basis for the algorithm. This article mainly focus on building an algorithm and performing experimental calculations to verify the correctness of the algorithm on a mathematical model.
7p gaupanda024 04-04-2024 7 1 Download
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The thesis "Stability of some classes of degenerate two-phase difference systems with delay" is to study the stability of degenerate two-phase systems with mixed delay in the direction of variation; Stability and dissipation in finite domain of degenerate 2-D system with variable delay; Evaluation of the gain set and control design for a degenerate 2-D system in the Roesser model with variable delay;... Please refer to it!
120p gaupanda019 21-03-2024 4 1 Download
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The objective of this thesis was to investigate the development of a micro-electromechanical system (MEMS) which can be implanted in the eye to provide continuous monitoring of glaucoma conditions. Current glaucoma monitoring involves taking laboratory based intra ocular pressure (IOP) measurements. The measurement of intraocular fluid flow and IOP parameters related to blockage formation in the eye require to be continuously monitored in Glaucoma.
153p runthenight07 01-03-2023 3 3 Download
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The main focus of this thesis is on the application of a model predictive control (MPC) method to devise an ABS for a BBW vehicle. Unlike the traditional ABS control algorithms which are based on a trial and error method, the MPC based ABS algorithm aims to utilizes the behaviour of the model to optimize the wheel slip dynamics subject to system constraints. Performance of the proposed wheel slip controller is validated through Software-in-the-Loop (SiL) and Hardware-inthe-Loop (HiL) simulation.
136p runthenight07 01-03-2023 6 3 Download
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In this thesis, the limitations of using existing LTE congestion mitigation mechanisms such as Discard Timer and RED have been explored. A different mechanism to analyse the effects of using control theory for congestion mitigation has been developed. Finally, congestion mitigation in LTE networks has been addresses using radio resource allocation techniques with non-cooperative game theory being an underlying mathematical framework.
118p runthenight04 02-02-2023 3 2 Download
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Two major areas of the scorecard development process were identified as having much capacity for improving credit scoring models. These are the application of 1) better classifiers and 2) variable selection techniques. However, the application of an artificial immune system for developing scorecards as well as the use of other variable selection techniques, other than stepwise regression, in credit scoring are quite limited as indicated by the scarcity of published materials in these two areas in the current literature.
210p runthenight04 02-02-2023 4 2 Download
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This paper considers the problem of a low-velocity normal impact of a rigid cone-shaped upon a viscoelastic plate. The contact force is defined by the modified Hertz's contact law. Approximate solutions of the system of nonlinear integro-differential equations for the contact force and local indentation have been obtained.
7p meyerowitz 25-12-2021 8 0 Download
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Bài giảng Phương pháp số trong tính toán cơ khí - Bài 1: Những khái niệm cơ bản cung cấp cho học viên các kiến thức về phương pháp số, các phương pháp không dùng máy tính cá nhân, lý do sử dụng phương pháp số; các nội dung chính trong môn học phương pháp số; mô hình toán hoá (Mathematical modeling); các định luận bảo toàn trong kỹ thuật; bốn lĩnh vực kỹ thuật sử dụng định luật bảo toàn;... Mời các bạn cùng tham khảo chi tiết nội dung bài giảng!
53p thienlangso 15-12-2021 32 3 Download
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In this thesis, we propose a mathematical model to improve the hull form of a container ship in the preliminary design stage, aiming to reduce the ship's resistance concerning constraints of Vietnam's river-sea route.
39p closefriend09 16-11-2021 19 3 Download
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The dissertation has five chapters and a list of references. The chapters concentrate on the following issues: In Chapter 1, we recall some classical results of the problem and some basic concepts from variational analysis and nonsmooth analysis. In Chapter 2, we investigate some new models of nonlinear nonlocal regularity; Chapter 3 is devoted to the study of metric perturbation of Milyutin-type regularity on a fixed set under composition of a set-valued mapping and a Lipschitz single-valued mapping;...
145p visteveballmer 06-11-2021 14 3 Download
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Nghiên cứu đã xây đựng thành công 10 mô hình QSAR nhằm dự đoán khả năng ức chế Tyrosinase từ cấu trúc phân tử. Dựa trên các nguyên tắc của OECD, chất lượng của các mô hình này đã được chứng minh, qua đó phản ánh tính đúng đắn của phương pháp nghiên cứu. Mời các bạn cùng tham khảo nội dung chi tiết.
7p closefriend02 07-10-2021 11 1 Download
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Research Aims: The thesis aims to develop deep neural networks for analyzing security data. These techniques improve the accuracy of machine learning-based models applied in NAD. Therefore, the thesis attempts to address the above challenging problems in NAD using models and techniques in deep neural networks. Specifically, the following problems are studied.
128p armyofthedead 23-06-2021 12 2 Download
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Objectives: Evaluate the available parameters to take the signal of Higgs and radion in the collisions and decay processes in the future ILC (International Linear Collider) and CLIC (Compact Linear Collider) accelerators.
27p tunelove 10-06-2021 13 3 Download
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Structures of thesis: Chapter 1 - Preliminaries; Chapter 2 - Discrete data assimilation for the three-dimentional Leray-α model; Chapter 3 - Discrete data assimilation for the three-dimentional NavierStokes-α model; Chapter 4 - Abridged continuous data assimilation for the three-dimentional simplified Bardina model; Chapter 5 - Abridged data assimilation for the three-dimentional modified Leray-α.
26p tunelove 10-06-2021 19 3 Download
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Objectives: The main objective of this thesis is to study the problem of stability analysis and applications in control of discrete-time 2-D systems described by Roesser model with certain types of stochastic parameters. The research includes the methodology development and establishment of analysis and synthesis conditions of the following specified models.
120p thebadguys 08-06-2021 20 3 Download
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Objectives: The main objectives of this thesis is to study the problem of stability analysis and applications in control of discrete-time 2-D systems described by Roesser model with certain types of stochastic parameters. The research includes the methodology development and establishment of analysis and synthesis conditions of the following specified models.
27p thebadguys 08-06-2021 27 4 Download
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Purpose of the research: On the basis of identifying necessary metacognitive skills, the role and significance of those metacognitive skills for students of Primary Education, the thesis gives out the procedure and proposes an model of organizing activities, designs specific activities applied in the subjects of mathematics teaching methods to train metacognitive skills for students of Primary Education.
27p thebadguys 08-06-2021 12 3 Download
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The thesis proposes a class for the new economic 3-3-1 model, called a simple 3-3-1 model, in order to address the mentioned problems. The simple 3-3-1 model considers the simplest lepton sector and the scalar sector.
35p extraenglish 24-05-2021 15 3 Download
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The research objective: To study the methods used to modeling constraints and improve constraint solving capability. To apply symbolic execution technique in automatic test case generating. To implement proposed methods in automatic test case generating on string constraints and mixed constraints. To analyze and evaluate the obtained results.
27p extraenglish 24-05-2021 13 4 Download