Mathematical statistics
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The article discloses methodological approaches to quantifying the level of penetration of block chain technologies into the regional socioeconomic environment in comparison to the supply chain strategies. Based on the methods of mathematical and statistical analysis, it allows you to formalize and convert a large array of data of a qualitative order into a single scale for measuring the process under study - the level of demand in the regional socio-economic environment for block chain technology.
6p longtimenosee09 08-04-2024 1 1 Download
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The research’s objectives: Proposing some potential measures to formulate and develop statistical thinking for students of pharmaceutical universities through teaching Statistics in Medicine and Pharmacy, contributing to improve the quality of school and helping Pharmaceutical students make more effective career decisions when studying statistics.
27p tunelove 10-06-2021 34 4 Download
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Objective of the research: The research objective of the thesis is to establish some limit theorems regarding the forms of law of large numbers for sequences and arrays of measurable operators under different conditions.
22p prisonbreak123 21-05-2021 26 2 Download
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The analytic expressions of thermodynamic quantities such as the Helmholtz free energy, the internal energy, the entropy, the molar heat capacity at constant volume for molecular cryocrystals of N2 type with face-centered cubic (FCC) and hexagonal close-packed (HCP) structures in harmonic, classical and anharmonic approximations are obtained by combining the statistical moment method (SMM) and the self-consistent field method (SCFM).
10p tamynhan5 10-12-2020 11 1 Download
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Numerical calculations of the quantities were performed for Fe and W thin films and found to be in good and reasonable agreement with other theoretical results and experimental data. This research proves that thermal expansion coefficients of thin films approach the values of bulk when thin film is about 70 nm thick.
10p tamynhan9 02-12-2020 17 1 Download
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In the present study, the influence of temperature and the size of the lattice constant of CeO2 thin film have been studied using three different interatomic potentials. We discuss temperature and thickness dependence of the lattice constant of CeO2 thin films and we compare our calculated results with those of the experimental results.
9p tamynhan8 04-11-2020 15 2 Download
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The effects of strain on the diffusion of impurities in silicon crystal are investigated using the statistical moment method (SMM). The influence of tensile strain on diffusion coefficient D is characterized by relaxation volume V r and migration volume V m. The numerical results for B and P diffusion in silicon that are performed and compared to experimental data show good agreement.
8p tamynhan8 04-11-2020 10 0 Download
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We obtained the analytic expressions of the specific heat at constant volume of metals which are dependent on the value of q-deformed parameters. Results calculated for the specific heat at constant volume for some kinds of alkali and transition metals show good agreement with those obtained by other theories and in experiments as well.
8p tamynhan8 04-11-2020 6 2 Download
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The α - β (fcc-hcp) phase transition temperature under pressure can be investigated theoretically by combining the self-consistent field method and the statistical moment method and only the statistical moment method which was developed by the authors. Theoretical results are applied to N2 and CO molecular cryocrystals and our calculated results are compared with the experimental data and other calculations.
8p tamynhan8 04-11-2020 13 1 Download
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Final examination semester 2 academic year 2019-2020 course name: Mathematical statistics for engineers giúp các bạn sinh viên có thêm tài liệu để củng cố các kiến thức, ôn tập kiểm tra, thi cuối kỳ. Đây là tài liệu bổ ích để các em ôn luyện và kiểm tra kiến thức tốt, chuẩn bị cho kì thi học kì. Mời các em và các quý thầy cô giáo bộ môn tham khảo.
2p tamynhan7 10-10-2020 41 1 Download
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This paper explains a statistical method that measures the reliability rate of each part in the system as well as the entire supply chain. Moreover, the paper elucidates a mathematical model that improves the reliability of the supply chain through minimization of cost components.
18p tocectocec 24-05-2020 6 0 Download
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The article exposes the statistic mathematical model of the disingtegrating the Nam Namxe rare earth ore by sulphuric acid. The suitable regime of the technological process is determined by using this model.
4p uocvong04 24-09-2015 36 4 Download
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Two statistical mathematical models of the filtration - press process of cassava residue are obtained in this publication. The optimum parameters for this process is described by the negotiating method.
5p uocvong04 24-09-2015 46 3 Download
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Experimental design has a long tradition in statistics, engineering and life sciences, dating back to the beginning of the last century when optimal designs for industrial and agricultural trials were considered. In cell biol-ogy, the use of mathematical modeling approaches raises new demands on experimental planning.
17p vinaphone15 27-02-2013 40 3 Download
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An enumeration of a collection of items is a complete, ordered listing of all of the items in that collection. The term is commonly used in mathematics and theoretical computer science to refer to a listing of all of the elements of a set. In statistics the term categorical variable is used rather than enumeration. The precise requirements for an enumeration (for example, whether the set must be finite, or whether the list is allowed to contain repetitions) depend on the branch of mathematics and the context in which one is working....
46p doilan 26-01-2013 69 4 Download
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We prove that almost every nonregular real quadratic map is ColletEckmann and has polynomial recurrence of the critical orbit (proving a conjecture by Sinai). It follows that typical quadratic maps have excellent ergodic properties, as exponential decay of correlations (Keller and Nowicki, Young) and stochastic stability in the strong sense (Baladi and Viana). This is an important step in achieving the same results for more general families of unimodal maps.
52p noel_noel 17-01-2013 56 5 Download
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Under explicit diophantine conditions on (α, β) ∈ R2 , we prove that the local two-point correlations of the sequence given by the values (m − α)2 + (n−β)2 , with (m, n) ∈ Z2 , are those of a Poisson process. This partly confirms a conjecture of Berry and Tabor [2] on spectral statistics of quantized integrable systems, and also establishes a particular case of the quantitative version of the Oppenheim conjecture for inhomogeneous quadratic forms of signature (2,2). The proof uses theta sums and Ratner’s classification of measures invariant under unipotent flows. ...
54p tuanloccuoi 04-01-2013 56 8 Download
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A new procedure for calculation and analysis of XAFS (X-ray Absorption Fine Structure) cumulants of hcp crystals containing dopant atom has been derived based on quantum statistical theory with generalized anharmonic correlated Einstein model. Analytical expressions for effective local force constants, correlated Einstein frequency and temperature, first cumulant or net thermal expansion, second cumulant or Debye Waller factor and third cumulant of hcp crystals containing dopant atom have been derived.
7p tuanlocmuido 19-12-2012 36 3 Download
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EURASIP Journal on Applied Signal Processing 2003:3, 223–237 c 2003 Hindawi Publishing Corporation Removing Impulse Bursts from Images by Training-Based Filtering Pertti Koivisto Department of Mathematics, Statistics, and Philosophy, University of Tampere, Finland Institute of Signal Processing, Tampere University of Technology, Tampere, Finland Email: pertti.koivisto@tut.fi Jaakko Astola Institute of Signal Processing, Tampere University of Technology, Tampere, Finland Email: jaakko.astola@tut.
15p sting12 10-03-2012 54 4 Download
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Tuyển tập các báo cáo nghiên cứu khoa học ngành toán học tạp chí Department of Mathematic dành cho các bạn yêu thích môn toán học đề tài: Mesh patterns and the expansion of permutation statistics as sums of permutation patterns...
14p thulanh7 05-10-2011 65 3 Download