Titlebook: New Trends in Shape Modelling and Approximation Methods; Driss Sbibih,Sara Remogna,Abdelhafid Serghini Conference proceedings 2024 The Edi

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Approximation in a , Cubic Super-Spline Space. As an application, explicit formulae for the coefficients in the B-spline-like basis representation of the Hermite interpolant of given data are derived. Moreover, by blossoming Marsden’s identity, we investigate local quasi-interpolation schemes reproducing cubic polynomials.

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Composite Spline Methods for Fitting Data on the Spherein. In this paper, a general theory is developed and a high order of convergence is obtained. A comparison with similar methods introduced in the literature, confirms that the proposed methods are more robust and efficient. A numerical application using 3D real data approximating a human head is provided.

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On a Modified Block Arnoldi Method for Solving Low-Rank Sylvester Equationsay some additional blocks which are derived by multiplying the initial block by the inverse of one of the two coefficient matrices of the Sylvester equation. The efficiency of the suggested modified method, in comparison with the classical and extended block Arnoldi method, is confirmed with numerical examples.

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Conference proceedings 2024g approximation methods in Numerical Analysis, curves and surfaces in CAGD, interpolation and smoothing, shape modelling and computational topology, subdivision schemes and applications, wavelets, and multiresolution methods. The book is addressed to researchers in all of these areas as well as in general mathematical modelling..

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2199-3041 techniques in geometric representation and computational met.This book presents recent research results from a selection of the talks presented in the international symposium “New Trends in Approximation and Applications”, held at Oujda, Morocco, in June 2022. The various chapters describe developme