BUILT-IN MATHEMATICA SYMBOL

BesselI

BesselI[n, z]
gives the modified Bessel function of the first kind .

Details Details

Mathematical function, suitable for both symbolic and numerical manipulation.
satisfies the differential equation .
BesselI[n, z] has a branch cut discontinuity in the complex z plane running from to .
FullSimplify and FunctionExpand include transformation rules for BesselI.
For certain special arguments, BesselI automatically evaluates to exact values.
BesselI can be evaluated to arbitrary numerical precision.
BesselI automatically threads over lists.

Examples Examples open all close all

Basic Examples (3)Basic Examples (3)

Evaluate numerically:

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Plot :

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Scope (5)Scope (5)

Generalizations & Extensions (1)Generalizations & Extensions (1)

Applications (1)Applications (1)

Properties & Relations (4)Properties & Relations (4)

Possible Issues (1)Possible Issues (1)

Neat Examples (1)Neat Examples (1)

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See Also See Also

BesselK AiryBi BesselJ BesselY

Tutorials Tutorials

Special Functions

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