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安格尔函数是英国数学家安格尔在1855年首先研究的积分函数
安格尔函数满足下列微分方程
In mathematics, the Anger function, introduced by C. T.Anger (1855), is a function defined as
and is closely related to Bessel functions.
The Weber function (also known as Lommel-Weber function), introduced by H. F.Weber (1879), is a closely related function defined by
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