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Built-in Functions / Mathematical Functions / Hypergeometric Related /

BesselK

Usage

• BesselK[n, z] gives the modified Bessel function of the second kind .


Notes

• Mathematical function (see Section A.3.10).
• satisfies the differential equation .
• BesselK[n, z] has a branch cut discontinuity in the complex z plane running from to .
• FullSimplify and FunctionExpand include transformation rules for BesselK.
• See Section 3.2.11.
• See also: BesselI, AiryAi, BesselJ.
• New in Version 1.
Further Examples


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