International Journal of Systems Science and Applied Mathematics

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Volume 4, Issue 4, December 2019

  • Lagrangian Dynamical Systems with Three Para-complex Structures

    Ibrahim Yousif Ibrahim Abad Alrhman

    Issue: Volume 4, Issue 4, December 2019
    Pages: 47-52
    Received: 21 March 2019
    Accepted: 16 May 2019
    Published: 17 January 2020
    DOI: 10.11648/j.ijssam.20190404.11
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    Abstract: This paper aims to present Lagrangian Dynamical systems formalism for mechanical systems using Three Para- Complex Structures, which represent an interesting multidisciplinary field of research. As a result of this study, partial differential equations will be obtained for movement of objects in space and solutions of these equations. In this study... Show More
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  • B-spline Speckman Estimator of Partially Linear Model

    Sayed Meshaal El-sayed, Mohamed Reda Abonazel, Mohamed Metwally Seliem

    Issue: Volume 4, Issue 4, December 2019
    Pages: 53-59
    Received: 25 August 2019
    Accepted: 31 December 2019
    Published: 3 February 2020
    DOI: 10.11648/j.ijssam.20190404.12
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    Abstract: The partially linear model (PLM) is one of semiparametric regression models; since it has both parametric (more than one) and nonparametric (only one) components in the same model, so this model is more flexible than the linear regression models containing only parametric components. In the literature, there are several estimators are proposed for ... Show More
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