Results 51 to 60 of about 601,525 (187)

On the Leibniz formula for divided differences

open access: yesJournal of Numerical Analysis and Approximation Theory, 2006
We give an identity for the Hermite-Lagrange interpolating polynomial and a short proof of Leibniz-type formula for divided differences in case of coalescing knots.
Mircea Ivan
doaj   +2 more sources

On Difference-of-SOS and Difference-of-Convex-SOS Decompositions for Polynomials

open access: yes, 2020
In this paper, we are interested in developing polynomial decomposition techniques to reformulate real valued multivariate polynomials into difference-of-sums-of-squares (namely, D-SOS) and difference-of-convex-sums-of-squares (namely, DC-SOS).
Niu, Yi-Shuai
core  

Decomposition of ordinary difference polynomials

open access: yesJournal of Symbolic Computation, 2009
AbstractIn this paper, we present an algorithm to decompose ordinary non-linear difference polynomials with rational functions as coefficients. The algorithm provides an effective reduction of the decomposition of difference polynomials to the decomposition of linear difference polynomials over the same coefficient field.
Mingbo Zhang, Xiao-Shan Gao
openaire   +2 more sources

Non-linear difference polynomials sharing a polynomial with finite weight

open access: yesRatio Mathematica
The uniqueness theory of meromorphic function mainly studies the conditions under which there exists only one function satisfying these conditions. The uniqueness theory of entire and meromorphic functions has grown up as an extensive sub-field of value ...
Harina Pandit Waghamore   +1 more
doaj   +1 more source

Geolocation with FDOA Measurements via Polynomial Systems and RANSAC

open access: yes, 2017
The problem of geolocation of a transmitter via time difference of arrival (TDOA) and frequency difference of arrival (FDOA) is given as a system of polynomial equations.
Bates, Daniel J., Cameron, Karleigh J.
core   +1 more source

Polynomial configurations in difference sets

open access: yesJournal of Number Theory, 2009
AbstractWe prove a quantitative result on the existence of linearly independent polynomial configurations in the difference set of sparse subsets of the integers. This result is achieved by first establishing a higher dimensional analogue of a theorem of Sárközy and then applying a simple lifting argument.
Akos Magyar, Neil Lyall
openaire   +2 more sources

Numerical integration by the matrix method and evaluation of the approximation order of difference boundary value problems for non-homogeneous linear ordinary differential equations of the fourth order with variable coefficients

open access: yesVestnik Samarskogo Gosudarstvennogo Tehničeskogo Universiteta. Seriâ: Fiziko-Matematičeskie Nauki, 2020
The use of the second degree Taylor polynomial in approximation of derivatives by finite difference method leads to the second order approximation of the traditional grid method for numerical integration of boundary value problems for non-homogeneous ...
Vladimir Nikolaevich Maklakov   +1 more
doaj   +1 more source

Some results about a special nonlinear difference equation and uniqueness of difference polynomial

open access: yesJournal of Inequalities and Applications, 2011
In this paper, we continue to study a special nonlinear difference equation solutions of finite order entire function. We also continue to investigate the value distribution and uniqueness of difference polynomials of meromorphic functions.
Ding Jie, Zhu Taiying, Qi Jianming
doaj  

Isospin symmetry breaking and the neutron-proton mass difference

open access: yes, 2013
QCD sum rules using polynomial kernels are used to evaluate the strong part of the proton-neutron mass difference DeltaM_np in a model independent fashion.
Nasrallah, Nasrallah F.
core   +1 more source

Multivariate Differences, Polynomials, and Splines

open access: yesJournal of Approximation Theory, 1996
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
openaire   +2 more sources

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