Documentation/How Tos/Calc: BESSELI function

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BESSELI

Calculates the modified Bessel function of the first kind.

Syntax:

BESSELI(x; n)

returns the modified Bessel function of the first kind, of order n, evaluated at x.
The modified Bessel function of the first kind In(x) = i-nJn(ix), where Jn is the Bessel function of the first kind.

Example:

BESSELI(1; 1)

returns 0.565159103992.

See also:

BESSELJ, BESSELK, BESSELY

Mathematical functions

Issues:

  • This function currently appears in the AddIn category of the Function Wizard.
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