Results 11 to 20 of about 4,240 (200)

Hermite Subdivision Schemes and Taylor Polynomials [PDF]

open access: yesConstructive Approximation, 2009
International audienceWe propose a general study of the convergence of a Hermite subdivision scheme $\mathcal H$ of degree $d>0$ in dimension 1. This is done by linking Hermite subdivision schemes and Taylor polynomials and by associating a so-called ...
Dubuc, Serge, Merrien, Jean-Louis
core   +5 more sources

Coefficients and Fekete–Szegö Functional Estimations of Bi-Univalent Subclasses Based on Gegenbauer Polynomials

open access: yesMathematics, 2023
Subclasses of analytic and bi-univalent functions have been extensively improved and utilized for estimating the Taylor–Maclaurin coefficients and the Fekete–Szegö functional.
Abdulmtalb Hussen, Abdelbaset Zeyani
doaj   +1 more source

Efficient Evaluation of Matrix Polynomials beyond the Paterson–Stockmeyer Method

open access: yesMathematics, 2021
Recently, two general methods for evaluating matrix polynomials requiring one matrix product less than the Paterson–Stockmeyer method were proposed, where the cost of evaluating a matrix polynomial is given asymptotically by the total number of matrix ...
Jorge Sastre, Javier Ibáñez
doaj   +1 more source

A new optimal multistep optimal homotopy asymptotic method to solve nonlinear system of two biological species

open access: yesNonlinear Engineering, 2023
Recently solving integro-differential equations have been the focus of attention among many researchers in the field of mathematic and engineering.
Ayati Zainab, Pourjafar Sadegh
doaj   +1 more source

Advances in the Approximation of the Matrix Hyperbolic Tangent

open access: yesMathematics, 2021
In this paper, we introduce two approaches to compute the matrix hyperbolic tangent. While one of them is based on its own definition and uses the matrix exponential, the other one is focused on the expansion of its Taylor series.
Javier Ibáñez   +4 more
doaj   +1 more source

Formal Verification of Medina's Sequence of Polynomials for Approximating Arctangent [PDF]

open access: yesElectronic Proceedings in Theoretical Computer Science, 2014
The verification of many algorithms for calculating transcendental functions is based on polynomial approximations to these functions, often Taylor series approximations. However, computing and verifying approximations to the arctangent function are very
Ruben Gamboa, John Cowles
doaj   +1 more source

Approximate solution of linear integral equations by Taylor ordering method: Applied mathematical approach

open access: yesOpen Physics, 2022
Since obtaining an analytic solution to some mathematical and physical problems is often very difficult, academics in recent years have focused their efforts on treating these problems using numerical methods.
Ghamkhar Madiha   +8 more
doaj   +1 more source

Classes of Entire Analytic Functions of Unbounded Type on Banach Spaces

open access: yesAxioms, 2020
In this paper we investigate analytic functions of unbounded type on a complex infinite dimensional Banach space X. The main question is: under which conditions is there an analytic function of unbounded type on X such that its Taylor polynomials are in ...
Andriy Zagorodnyuk, Anna Hihliuk
doaj   +1 more source

Convergence of the matrix method of numerical integration of the boundary value problems for linear nonhomogeneous ordinary differential second order equations with variable coefficients

open access: yesVestnik Samarskogo Gosudarstvennogo Tehničeskogo Universiteta. Seriâ: Fiziko-Matematičeskie Nauki, 2015
The problems of stability and convergence of previously proposed matrix method of numerical integration of boundary value problems with boundary conditions of the first, second and third kinds of nonhomogeneous linear ordinary differential second order ...
Vladimir N Maklakov
doaj   +1 more source

Determining radii of meromorphy via orthogonal polynomials on the unit circle [PDF]

open access: yes, 2003
19 pages, no figures.-- MSC2000 codes: 30E10, 42C05, 41A20, 30D30.MR#: MR2016676 (2004k:30087)Zbl#: Zbl 1051.30033Using a convergence theorem for Fourier–Padé approximants constructed from orthogonal polynomials on the unit circle, we prove an analogue ...
López Lagomasino, Guillermo   +2 more
core   +1 more source

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