Results 81 to 90 of about 601,525 (187)

Developing and applying cubic spline method for the solution of boundary value problems in complex physical and engineering systems

open access: yesPartial Differential Equations in Applied Mathematics
It has long been a concern of researchers to address the challenges of solving higher-order differential equations. In order to approximate 11th-order boundary value problems (BVPs), this work presents a novel numerical approach that combines ...
Aasma Khalid   +3 more
doaj   +1 more source

The Integration Order of Vector Autoregressive Processes [PDF]

open access: yes
We show that the order of integration of a vector autoregressive process is equal to the difference between the multiplicity of the unit root in the characteristic equation and the multiplicity of the unit root in the adjoint matrix polynomial.
Massimo Franchi
core  

On the divided differences of the remainder in polynomial interpolation

open access: yesJournal of Approximation Theory, 2004
In this paper the authors present a number of formulas for the divided differences of the remainder of the interpolation polynomial that include some recent formulas as special cases, see for example, \textit{C. de Boor} [J. Approximation Theory 122, No. 1, 10--12 (2003; Zbl 1022.65024)].
Xinghua Wang, Ming-Jun Lai, Shijun Yang
openaire   +2 more sources

Types of singularity of components of difference polynomials [PDF]

open access: yesAequationes Mathematicae, 1972
Let S be a set of difference polynomials. The perfect difference ideal {S} [2, p. 76 and p. 82] may properly contain the difference ideal ~/[S]. It follows that in determining the irreducible components of the manifold of S it is not sufficient to consider only factorizations of polynomials of n/IS ] (or, equivalently, of IS]).
openaire   +1 more source

Damage Identification of Bridge Based on Chebyshev Polynomial Fitting and Fuzzy Logic without Considering Baseline Model Parameters

open access: yesShock and Vibration, 2015
The paper presents an effective approach for damage identification of bridge based on Chebyshev polynomial fitting and fuzzy logic systems without considering baseline model data.
Yu-Bo Jiao   +3 more
doaj   +1 more source

Difference Equations for Generalized Meixner Polynomials

open access: yesJournal of Mathematical Analysis and Applications, 1994
The paper, dedicated to Richard Askey, deals with the solution to the problem posed by Askey and Erice (1990). He suggested to define generalized Meixner polynomials by adding a point mass at zero to the classical discrete weight function and then obtaining difference equations satisfied by these polynomials which might turn out to be of finite order ...
H. Vanhaeringen, H. Bavinck
openaire   +2 more sources

Difference inequalities for polynomials in $L_0$

open access: yesMatematychni Studii, 2004
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
openaire   +2 more sources

Difference Equation for Modifications of Meixner Polynomials

open access: yesJournal of Mathematical Analysis and Applications, 1995
The authors study the properties of the generalized Meixner polynomials \(M^{\gamma, \mu, A}_n(x)\). These ones are orthogonal with respect to the linear functional \(U\) on the space of polynomials with real coefficients, \[ \langle U, P\rangle= \sum_{x\in \mathbb{N}} {\mu^x \Gamma(\gamma+ x)\over \Gamma(\gamma) \Gamma(1+ x)} P(x)+ AP(0),\quad x\in ...
Renato Alvarez-Nodarse   +1 more
openaire   +2 more sources

Differential-difference properties of hypergeometric polynomials [PDF]

open access: yesMathematics of Computation, 1975
We develop differential-difference properties of a class of hypergeometric polynomials which are a generalization of the Jacobi polynomials. The formulas are analogous to known formulas for the classical orthogonal polynomials.
openaire   +3 more sources

Linear Difference Equations and Exponential Polynomials [PDF]

open access: yesTransactions of the American Mathematical Society, 1948
In Theorem 2, equation (1) is studied under the assumptions that k(x) is analytic in a sector S (3): I arg x I
openaire   +2 more sources

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