Documentation on Bessel function implementation?

2015 9 17
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更新时间：2015 9 17
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I was wondering if there was any documentation relating to how Bessel functions (first and second kinds, modified, etc.) are implemented in Matlab? Thanks.

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Kirby Fears
Kirby Fears 2015-9-17

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Have you checked out these Matlab functions?
first kind: besselj
modified first kind: besseli
second kind: besselk

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David Holmgren
David Holmgren 2015-9-17
Thank you. Yes, I have looked at these, and I see that they have the definitions. However, I am aware that those expressions are not necessarily the best approaches numerically, as one has to use asymptotic formulas in for certain arguments and orders. This is what I'm curious about.

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