单个文件在以下链接是可用的：
代码说明：
Individual files are available in the following links: Bessjy -- Bessel functions Jn and Yn for real argument and integer or real order. Bessik -- Modified Bessel function In and Kn for real argument and integer or real order. CBessjy -- Bessel functions Jv and Yv for real or complex arguments and real order. CBessik -- Modified Bessel functions Iv and Kv for complex arguments and real order. -Individual files are available in the following links: Bessjy- Bessel functions Jn and Yn for real argument and integer or real order. Bessik- Modified Bessel function In and Kn for real argument and integer or real order. CBessjy- Bessel functions Jv and Yv for real or complex arguments and real order. CBessik- Modified Bessel functions Iv and Kv for complex arguments and real order.
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