Results 31 to 40 of about 1,291,137 (334)

Estimation of Tri-Axial Walking Ground Reaction Forces of Left and Right Foot from Total Forces in Real-Life Environments

open access: yesSensors, 2018
Continuous monitoring of natural human gait in real-life environments is essential in many applications including disease monitoring, rehabilitation, and professional sports.
Erfan Shahabpoor, Aleksandar Pavic
doaj   +1 more source

A critique of terms and symbols in school mathematics

open access: yesLietuvos Matematikos Rinkinys, 2023
Criticism of some terms and symbols of school mathematics is presented, and recommendations are given. The problem of writing decimal fractions using a comma and the resulting semicolon when separating such numbers, which contradicts not only the ...
Robertas Vilkas
doaj   +1 more source

A Penrose polynomial for embedded graphs [PDF]

open access: yes, 2011
We extend the Penrose polynomial, originally defined only for plane graphs, to graphs embedded in arbitrary surfaces. Considering this Penrose polynomial of embedded graphs leads to new identities and relations for the Penrose polynomial which can not be
Aigner   +22 more
core   +4 more sources

New Polynomial Bounds for Jordan’s and Kober’s Inequalities Based on the Interpolation and Approximation Method

open access: yesMathematics, 2019
In this paper, new refinements and improvements of Jordan’s and Kober’s inequalities are presented. We give new polynomial bounds for the s i n c ( x ) and cos ( x ) functions based on the interpolation and approximation ...
Lina Zhang, Xuesi Ma
doaj   +1 more source

Learning Polynomial-Based Separable Convolution for 3D Point Cloud Analysis

open access: yesSensors, 2021
Shape classification and segmentation of point cloud data are two of the most demanding tasks in photogrammetry and remote sensing applications, which aim to recognize object categories or point labels.
Ruixuan Yu, Jian Sun
doaj   +1 more source

Some generalized results of zeros of polar derivative of a polynomial [PDF]

open access: yesJournal of Hyperstructures, 2021
In the present paper, we further generalize and extend various results on zeroes of polar derivatives of polynomials due toGulzar, Zargar and Akhter (2019), who gave extension and generalization of various results on Enestrom-Kakeya theorem established ...
Ram Milan Singh
doaj   +1 more source

Generalizations of Chebyshev polynomials and polynomial mappings [PDF]

open access: yesTransactions of the American Mathematical Society, 2007
In this paper we show how polynomial mappings of degree K \mathfrak {K} from a union of disjoint intervals onto [ − 1 , 1 ] [-1,1] generate a countable number of special cases of generalizations of Chebyshev polynomials.
Chen, Yang   +2 more
openaire   +4 more sources

GENERALIZATIONS OF CERTAIN WELL-KNOWN INEQUALITIES FOR RATIONAL FUNCTIONS

open access: yesПроблемы анализа, 2022
In this paper we generalize and refine a result of Wali and Shah concerning the estimate of the derivative of the maximum modulus of rational functions with prescribed poles and restricted zeros.
M. Y. Mir, S. L. Wali, W. M. Shah
doaj   +1 more source

Convergence Rate of Riemannian Hamiltonian Monte Carlo and Faster Polytope Volume Computation

open access: yes, 2017
We give the first rigorous proof of the convergence of Riemannian Hamiltonian Monte Carlo, a general (and practical) method for sampling Gibbs distributions.
Dyer M. E.   +3 more
core   +1 more source

Tutte's dichromate for signed graphs

open access: yes, 2020
We introduce the ``trivariate Tutte polynomial" of a signed graph as an invariant of signed graphs up to vertex switching that contains among its evaluations the number of proper colorings and the number of nowhere-zero flows.
Goodall, Andrew   +3 more
core   +1 more source

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