نتایج جستجو برای: hankel transform

تعداد نتایج: 116984  

2006
Yongsheng Ding Yang Xu Da Ruan Yingjun Cao Paul P. Wang Howard G. Clark Alade Tokuta Hongbin Sun Kuangrong Hao Shihuang Shao Ying Zhu Hongfeng Wang Dingwei Wang Xiangfeng Zhang Lihong Ren Lingjuan Wang Chengjian Wei Shuai Huang Bao Liu Junhong Wang Jiajun Lai Yuhong Li Jie Lu Xiaowei Yang Guangquan Zhang Zui Zhang Chenggang Bai Chunmei Lin Yue He Hongchun Yuan Ying Chen Qinghai Chen Xiaohua Liu Chunyan Han Kaiqi Zou Xiaobei Liang Xinghua Liu Daoli Zhu Bingyong Tang Junxi Bi Tao Yu Qiang Li Xiaohong Liu Xianyi Zeng Ludovic Koehl

The Hankel transform of an integer sequence (an) is defined as a sequence formed by the determinants of the matrices An, where An is the upper-left submatrix of size n× n of the Hankel matrix A =  a0 a1 a2 a3 · · · a1 a2 a3 a4 · · · a2 a3 a4 a5 · · · .. .. .. .. . . .  . In this talk, methods in deriving the Hankel transform of Bell and other Bell-type numbers will be discussed, particu...

1998
Nikolaos E. Myridis Christodoulos Chamzas

In this presentation we establish new bounds on functions, which have their n-th order Hankel Transform bandlimited. This class of functions is proved to be also Fourier Transform bandlimited. N-th order Hankel Transforms and the consequent bounds are important for the reconstruction in CAT, MRI (Magnetic Resonance Imaging) etc. Indeed many algorithms of modern tomography use the appropriate fo...

Journal: :bulletin of the iranian mathematical society 2015
l. connell m. levine b. mathes j. sukiennik

we introduce a matricial toeplitz transform and prove that the toeplitz transform of a second order recurrence sequence is another second order recurrence sequence. we investigate the injectivity of this transform and show how this distinguishes the fibonacci sequence among other recurrence sequences. we then obtain new fibonacci identities as an application of our transform.

2004
E. B. POSTNIKOV

The purpose of this paper is to represent the integral Hankel transform as a series. If one uses Bspline wavelet this series is a linear combination of the hypergeometrical functions. Numerical evaluation of the test function with known analytical Hankel transform of the null kind illustrates the proposed results. Key-Words: the Hankel transform, hypergeometrical function, B-spline wavelet.

Journal: :Proceedings of the American Mathematical Society 1990

2001
John W. Layman

The Hankel transform of an integer sequence is defined and some of its properties discussed. It is shown that the Hankel transform of a sequence S is the same as the Hankel transform of the Binomial or Invert transform of S. If H is the Hankel matrix of a sequence and H=LU is the LU decomposition of H, the behavior of the first super-diagonal of U under the Binomial or Invert transform is also ...

Journal: :IEEE Trans. Signal Processing 2000
Luc Knockaert

The Hankel transform of a function by means of a direct Mellin approach requires sampling on an exponential grid, which has the disadvantage of coarsely undersampling the tail of the function. A novel modified Hankel transform procedure, not requiring exponential sampling, is presented. The algorithm proceeds via a three-step Mellin approach to yield a decomposition of the Hankel transform into...

2008
Paul Barry

The Hankel transform for sequences (defined below) has attracted an increasing amount of attention in recent years. The paper [4] situated its study within the mainstream of research into integer sequences, while papers such as [2] hinted at how the study of certain Hankel transforms can lead to results concerning classical sequences. That paper exploited a link between continued fractions and ...

2008
RAJESH K. PANDEY OM P. SINGH VINEET K. SINGH R. K. Pandey O. P. Singh V. K. Singh

Postnicov [22], in 2003, proposed an algorithm to compute the Hankel transforms of order zero and one by using Haar wavelets. But the proposed method faced problems in the evaluation of zero order Hankel transform. The purpose of this paper is to overcome this problem and obtain an efficient algorithm for evaluating Hankel transform of order zero by using rationalized Haar wavelets. Exact analy...

2002
E. B. Postnikov

The purpose of this paper is to present an algorithm for evaluating Hankel transform of the null and the first kind to the series of the Bessel function for Hankel transform of the first kind and Bessel and Struve function for Hankel transform of the null kind multiplied to the wavelet coefficients of the input function. It is both the exact analytical representation and the base for effective ...

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