Showing 761 - 780 results of 2,218 for search '"mathematical models"', query time: 0.11s Refine Results
  1. 761

    Accuracy analysis of different components evaluation of time series by Vitalija Klokova

    Published 2001-12-01
    “… Mathematical models for decomposing and forecasting of time series are analysed in this paper. …”
    Get full text
    Article
  2. 762

    Intelligent Transportation Design Based on Iterative Learning by Yinpu Ma, Kai Liu

    Published 2022-01-01
    “…Most of the existing traffic optimization control methods are based on accurate mathematical models. As an uncertain and complex system, the urban traffic system faces difficulty in accurately calibrating the model parameters. …”
    Get full text
    Article
  3. 763

    An example from the world of tsetse flies by John Hargrove

    Published 2013-03-01
    “…More serious objections arise when mathematical models make no attempt to address the real world in such a way that they can be tested. …”
    Get full text
    Article
  4. 764

    The Impact of Random Noise on the Dynamics of COVID-19 Epidemic Model by Amine El Koufi, Nouhaila El Koufi, Abdelkrim Bennar, Namana Seshagiri Rao

    Published 2022-01-01
    “…For modeling and studying infectious illness transmission, mathematical models are helpful tools. Thus, in this paper, taking into account the effect of the intensity of the noises, we define a threshold value Πs of the model, which determines the extinction and persistence of the COVID-19 pandemic. …”
    Get full text
    Article
  5. 765

    SIMULATION OF QUASI-STATIONARY OPERATIONAL CONDITIONS OF INDUCTION GENERATOR OF WIND- ENERGY SYSTEM INSTALLATION by M. M. Oleshkevich, I. V. Makosko

    Published 2003-06-01
    “…Computer programmes based on mathematical models of wind motor, induction generator, step-up transformers, cable and open-air electric power lines have been elaborated with the purpose to investigate quasi-stationary operational conditions of the wind- energy installation. …”
    Get full text
    Article
  6. 766

    Optimisation of parameters of vibration control process by applying rheological dynamic model by Rimantas Didžgalvis, Antanas Sudintas, Irena Tiknevičienė

    Published 2001-12-01
    “…The summarised dynamic and mathematical models of the vibration cont­rol are presented. …”
    Get full text
    Article
  7. 767

    Explicit Expression for Arbitrary Positive Integer Powers of Special Sparse Matrices by Mohammad Beiranvand, Mojtaba Ghasemi Kamalvand

    Published 2022-01-01
    “…Sparse matrices appear frequently in mathematical models. In this paper, we firstly present a general expression for the entries of the r th r∈ℕ power of a certain n-square sparse matrix, in terms of the Chebyshev polynomials of the second kind. …”
    Get full text
    Article
  8. 768

    Species survival versus eigenvalues by Luiz Antonio Ribeiro de Santana, Yuri Dimitrov Bozhkov, Wilson Castro Ferreira

    Published 2004-01-01
    “…Mathematical models describing the behavior of hypothetical species in spatially heterogeneous environments are discussed and analyzed using the fibering method devised and developed by S. …”
    Get full text
    Article
  9. 769

    Shubnikov–de Haas Oscillations in Semiconductors at the Microwave-Radiation Absorption by G. Gulyamov, U. I. Erkaboev, A. G. Gulyamov

    Published 2019-01-01
    “…Mathematical models for the Shubnikov-de Haas oscillations in semiconductors are obtained at the microwave-radiation absorption and its temperature dependence. …”
    Get full text
    Article
  10. 770

    Decoding mpox: a systematic review and meta-analysis of the transmission and severity parameters of the 2022–2023 global outbreak by Adriana Buitrago-Lopez, Zulma M Cucunubá, Candida Diaz Brochero, Laura Cristina Nocua-Báez, Jorge Alberto Cortes, Kelly Charniga

    Published 2025-01-01
    “…Our results contribute to a better understanding of mpox dynamics, and the development of mathematical models to assess the impact of current and future interventions.…”
    Get full text
    Article
  11. 771

    Medical Management of Chronic Cholestatic Liver Diseases by Andrea A Gossard, Keith D Lindor

    Published 2000-01-01
    “…The prognosis of patients with these diseases is discussed, and the Mayo Mathematical Models in Cholestatic Liver Disease for both primary biliary cirrhosis and primary sclerosing cholangitis are provided. …”
    Get full text
    Article
  12. 772

    The effect of room temperature pre-ageing on tensile and electrical properties of thermomechanically treated Al-Mg-Si alloy by Martinova Z., Damgaliev D., Hirsh M.

    Published 2002-01-01
    “…The experimental data were proceeded statistically and mathematical models were derived for the alloy properties such as tensile strength, electrical conductivity and elongation of the wires during TMT. …”
    Get full text
    Article
  13. 773

    Dynamic system evolution and markov chain approximation by Roderick V. Nicholas Melnik

    Published 1998-01-01
    “…In this paper computational aspects of the mathematical modelling of dynamic system evolution have been considered as a problem in information theory. …”
    Get full text
    Article
  14. 774

    INTERVAL ESTIMATION OF THE VOLUMES OF RESOURCE CONSUMPTION AT THE STOCHASTIC BASIC DATA by Y. Gagarin, S. Gagarina

    Published 2018-12-01
    “…The necessity of taking into account errors in the values of functions and arguments when estimating the parameters of mathematical models is shown. To take into account the random nature of the initial information when estimating the parameters of the models, it is proposed to use methods of confluent analysis. …”
    Get full text
    Article
  15. 775

    Vibrational Diagnostics of Rotating Machinery Malfunctions by Agnes Muszynska

    Published 1995-01-01
    “…After presenting basic principles of machinery diagnostics, several specific malfunction symptoms supported by simple mathematical models are given. These malfunctions include unbalance, excessive radial load, rotor-to-stator rubbing, fluid-induced vibrations, loose stationary and rotating parts, coupled torsional/lateral vibration excitation, and rotor cracking. …”
    Get full text
    Article
  16. 776

    A FJSSP Method Based on Dynamic Multi-Objective Squirrel Search Algorithm by Yanjiao Wang, Jieru Han

    Published 2021-01-01
    “…Compared with other mathematical models, the mathematical model established in this paper can keep better balance between the efficiency and stability.…”
    Get full text
    Article
  17. 777

    THE PREDICTION OF ENTERPRISES ACTIVITY INDICATORS TAKING INTO ACCOUNT THE INITIAL DATA UNCERTAINTY by Yu. Gagarin, S. Gagarina

    Published 2019-03-01
    “…To obtain point and interval estimates of the parameters of mathematical models that take into account errors in the values of the function and argument, the use methods of confluent analysis has been proposed. …”
    Get full text
    Article
  18. 778

    Sociological phenomena as multiple nonlinearities: MTBI's new metaphor for complex human interactions by Christopher M. Kribs-Zaleta

    Published 2013-07-01
    “…Mathematical models are well-established as metaphors for biological and epidemiological systems. …”
    Get full text
    Article
  19. 779

    Reliability Analysis of Random Fuzzy Unrepairable Systems by Ying Liu, Xiaozhong Li, Jianbin Li

    Published 2014-01-01
    “…Then we establish the fundamental mathematical models of random fuzzy unrepairable systems, including series systems, parallel systems, series-parallel systems, parallel-series systems, and cold standby systems with absolutely reliable conversion switches. …”
    Get full text
    Article
  20. 780

    A Beginner's Guide to Water Management—Water Clarity by Florida LAKEWATCH, Mark Hoyer

    Published 2001-09-01
    “…Topics range from how we measure water clarity, what affects it, the relationship between water clarity and biological productivity, and techniques used for managing water clarity in lakes. Mathematical models are introduced as a way of predicting water clarity in lakes. …”
    Get full text
    Article