Results 101 to 110 of about 280,749 (199)

STATISTICAL SYNTHESIS OF FORECAST CHARACTERISTICS OF COMPLEX TECHNICAL SYSTEM BY TIME SERIES

Научный вестник МГТУ ГА, 2016
The article analyses the problem of building a medium-term forecast of the recovery trend in the average. We present a method of recovery trend in the form of a polynomial whose coefficients are determined by the inverse functions which are approximated ...
N. A. Severcev, V. M. Balick, E. V. Balick   +2 more
doaj  

Equivalence between various Shape Preserving Approximations of periodic functions

Researches in Mathematics
We show that the validity of Jackson-type estimates in comonotone and coconvex approximations of continuous $2\pi$-periodic functions by trigonometric polynomials is equivalent to the validity of the corresponding estimates of approximation by continuous
D. Leviatan, O.V. Motorna, I.O. Shevchuk
doaj   +1 more source

CURVE FITTING IN MATLAB – TRIGONOMETRIC POLYNOMIAL

, 2011
Článek se zabývá odvozením, algoritmizací a popisem konstrukce trigonometrického polynomu. Jsou zde popsány a vysvětleny základní výpočetní postupy týkající se této problematiky, nejprve je proveden teoretický rozbor, pak následuje řešený příklad a ...
Kulička, Jiří
core   +1 more source

On the restriction of the Fourier transform to polynomial curves [PDF]

, 2007
We prove a Fourier restriction theorem on curves parametrised by the mapping P(t) = (P1(t),..., Pn(t)), where each of the P1,..., Pn is a real-valued polynomial and t belongs to an interval on which each of the P1,..., Pn "resembles" a ...
Dendrinos, S, Dendrinos, S.
core  

On Some Trigonometrical Polynomials.

MATHEMATICA SCANDINAVICA, 1967
Izumi, Masako, Izumi, Shin-Ichi
openaire   +2 more sources

On Algorithms for Planning S-curve Motion Profiles

International Journal of Advanced Robotic Systems, 2008
Although numerous researches on s-curve motion profiles have been carried out, up to date, no systematic investigation on the general model of polynomial s-curve motion profiles is considered.
Kim Doang Nguyen, Teck-Chew Ng, I-Ming Chen   +2 more
doaj  

Positive trigonometric polynomials

, 2003
We study the boundary of the nonnegative trigonometric polynomials from the algebraic point of view. In particularly, we show that it is a subset of an irreducible algebraic hypersurface and established its explicit form in terms of resultants.
openaire   +2 more sources

Solution of polynomial Lyapunov and Sylvester equations

, 2006
A two-variable polynomial approach to solve the one-variable polynomial Lyapunov and Sylvester equations is proposed. Lifting the problem from the one-variable to the two-variable context gives rise to associated lifted equations which live on finite ...
Peeters, Ralf, Rapisarda, Paolo
core   +1 more source

On Diophantine approximation and trigonometric polynomials [PDF]

Pacific Journal of Mathematics, 1959
openaire   +3 more sources

Efficient Non-Interactive Discrete ReLU over CKKS Using Interpolation Look-Up Table. [PDF]

Entropy (Basel)
Chen Z, Song X, Chen L.
europepmc   +1 more source