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	Function Wizard Functions

BESSELJ

Description: Returns the Bessel function Jn(x).

Syntax: BESSELJ(Number, Order)

• Number is the value at which to evaluate the function.

• Order is the order of the Bessel function.

Remarks:

• Both arguments must be numerical.

• Order must be >= 0 and an integer.

• The n-th order modified Bessel function of the variable x is:

where:

Example:

• Compute the Bessel function at x = 1.9 with an order of n = 2.

BESSELJ(1.9, 2) = 0.329926.