Asymptotic Approximations of Jacobi Functions and Their Zeros with Error Bounds |
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Authors: | Xiao Feng Zhu Xiu Chun Li |
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Institution: | (1) Department of Basic Science, Beijing Institute of Graphic Communication, Beijing 102600, P. R. China |
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Abstract: | The study of zeros of orthogonal functions is an important topic. In this paper, by
improving the middle variable x(t), we've got a new form of asymptotic approximation, completed
with error bounds, it is constructed for the Jacobi functions
. Besides,
an accurate approximation with error bounds is also constructed correspondingly for the zeros t
μ,s
of
, uniformly with respect to s = 1, 2, . . . .
Supported by Developing Key Subject Item of Beijing |
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Keywords: | Asymptotic approximation Jacobi function Zero Error bounds |
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