球Besel函数的数值计算

Computation of Spherical Bessel Functions

本文详细分析了整数阶球Ｂｅｓｅｌ函数及其各阶导数的递推算法，给出了计算球Ｂｅｓｅｌ函数值所需要的数学公式。对工程电磁场实际问题的编程计算结果表明，递推算法不仅编程简单，而且计算精度也是相当高的。

A recurrence algorithm for computing spherical Bessel functions of integer orders is presented and the formulas are given in this paper. By calculating and analysis an electromagnetic field engineering example, it is shown that the algorithm is simple and has high accuracy.