• 제목/요약/키워드: Hermite

검색결과 226건 처리시간 0.023초

RADAU QUADRATURE FOR A RATIONAL ALMOST QUASI-HERMITE-FEJÉR-TYPE INTERPOLATION

  • Kumar, Shrawan;Mathur, Neha;Rathour, Laxmi;Mishra, Vishnu Narayan;Mathur, Pankaj
    • Korean Journal of Mathematics
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    • 제30권1호
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    • pp.43-51
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    • 2022
  • The aim of this paper is to obtain a Radau type quadrature formula for a rational interpolation process satisfying the almost quasi Hermite Fejér interpolatory conditions on the zeros of Chebyshev Markov sine fraction on [-1, 1).

REFINEMENT OF HERMITE HADAMARD TYPE INEQUALITIES FOR CONVEX FUNCTIONS WITH APPLICATIONS

  • Muhammad Bilal;Asif R. Khan
    • 한국수학교육학회지시리즈B:순수및응용수학
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    • 제31권1호
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    • pp.33-48
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    • 2024
  • In this study, we would like to state two refined results related to Hermite Hadamard type inequality for convex functions with two distinct techniques. Hence our obtained results would be better than the results already established for the class of convex functions. Applications to trapezoidal rule and special means are also discussed.

Hermite 유동함수를 이용한 비압축성 유동계산 (INCOMPRESSIBLE FLOW COMPUTATIONS USING A HERMITE STREAM FUNCTION)

  • 김진환
    • 한국전산유체공학회지
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    • 제12권1호
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    • pp.35-42
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    • 2007
  • This paper describes a recent development on the divergence free basis function based on a hermite stream function and verifies its validity by comparing results with those from a modified residual method known as one of stabilized finite element methods. It can be shown that a proper choice of degrees of freedom at a node with a proper arrangement of the hermite interpolation functions can yield solenoidal or divergent free interpolation functions for the velocities. The well-known cavity problem has been chosen for validity of the present algorithm. The comparisons from numerical results between the present and the modified residual showed the present method yields better results in both the velocity and the pressure within modest Reynolds numbers(Re = 1,000).

GENERALIZATION OF MULTI-VARIABLE MODIFIED HERMITE MATRIX POLYNOMIALS AND ITS APPLICATIONS

  • Singh, Virender;Khan, Mumtaz Ahmad;Khan, Abdul Hakim
    • 호남수학학술지
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    • 제42권2호
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    • pp.269-291
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    • 2020
  • In this paper, we get acquainted to a new generalization of the modified Hermite matrix polynomials. An explicit representation and expansion of the Matrix exponential in a series of these matrix polynomials is obtained. Some important properties of Modified Hermite Matrix polynomials such as generating functions, recurrence relations which allow us a mathematical operations. Also we drive expansion formulae and some operational representations.

고차의 무발산 요소를 이용한 비압축성 유동계산 (Computation of Incompressible Flows Using Higher Order Divergence-free Elements)

  • 김진환
    • 한국해양공학회지
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    • 제25권5호
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    • pp.9-14
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    • 2011
  • The divergence-free finite elements introduced in this paper are derived from Hermite functions, which interpolate stream functions. Velocity bases are derived from the curl of the Hermite functions. These velocity basis functions constitute a solenoidal function space, and the gradient of the Hermite functions constitute an irrotational function space. The incompressible Navier-Stokes equation is orthogonally decomposed into its solenoidal and irrotational parts, and the decoupled Navier-Stokes equations are then projected onto their corresponding spaces to form appropriate variational formulations. The degrees of the Hermite functions we introduce in this paper are bi-cubis, quartic, and quintic. To verify the accuracy and convergence of the present method, three well-known benchmark problems are chosen. These are lid-driven cavity flow, flow over a backward facing step, and buoyancy-driven flow within a square enclosure. The numerical results show good agreement with the previously published results in all cases.

HRKPM을 이용한 키르히호프 판의 해석 (Kirchhoff Plate Analysis by Using Hermite Reproducing Kernel Particle Method)

  • 석병호;송태한
    • 한국공작기계학회논문집
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    • 제12권5호
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    • pp.67-72
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    • 2003
  • For the analysis of Kirchhoff plate bending problems, a new meshless method is implemented. For the satisfaction of the $C^1$ continuity condition in which the first derivative is treated an another primary variable, Hermite interpolation is enforced on standard reproducing kernel particle method. In order to impose essential boundary conditions on solving $C^1$ continuity problems, shape function modifications are adopted. Through numerical tests, the characteristics and accuracy of the HRKPM are investigated and compared with the finite element analysis. By this implementatioa it is shown that high accuracy is achieved by using HRKPM for solving Kirchhoff plate bending problems.

ON p-ADIC INTEGRAL FOR GENERALIZED DEGENERATE HERMITE-BERNOULLI POLYNOMIALS ATTACHED TO χ OF HIGHER ORDER

  • Khan, Waseem Ahmad;Haroon, Hiba
    • 호남수학학술지
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    • 제41권1호
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    • pp.117-133
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    • 2019
  • In the current investigation, we obtain the generating function for Hermite-based degenerate Bernoulli polynomials attached to ${\chi}$ of higher order using p-adic methods over the ring of integers. Useful identities, formulae and relations with well known families of polynomials and numbers including the Bernoulli numbers, Daehee numbers and the Stirling numbers are established. We also give identities of symmetry and additive property for Hermite-based generalized degenerate Bernoulli polynomials attached to ${\chi}$ of higher order. Results are supported by remarks and corollaries.

A revised Hermite peak factor model for non-Gaussian wind pressures on high-rise buildings and comparison of methods

  • Dongmei Huang;Hongling Xie;Qiusheng Li
    • Wind and Structures
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    • 제36권1호
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    • pp.15-29
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    • 2023
  • To better estimate the non-Gaussian extreme wind pressures for high-rise buildings, a data-driven revised Hermitetype peak factor estimation model is proposed in this papar. Subsequently, a comparative study on three types of methods, such as Hermite-type models, short-time estimate Gumbel method (STE), and new translated-peak-process method (TPP) is carried out. The investigations show that the proposed Hermite-type peak factor has better accuracy and applicability than the other Hermite-type models, and its absolute accuracy is slightly inferior to the STE and new TPP methods for non-Gaussian wind pressures by comparing with the observed values. Moreover, these methods generally overestimate the Gaussian wind pressures especially the STE.

INTEGRALS INVOLVING LAGUERRE, JACOBI AND HERMITE POLYNOMIALS

  • Nath, B.
    • Kyungpook Mathematical Journal
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    • 제12권1호
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    • pp.115-117
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    • 1972
  • The purpose of the present paper is to evaluate certain integrals involving Laguerre, Jacobi and Hermite polynomials. These integrals are very useful in case of expansion of any polynomial in a series of Orthogonal polynomials [1, Theo. 56].

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