BesJ1 Intrinsic

BesJ1(X)

BesJ1: REAL function, the `KIND=' value of the type being that of argument X.

X: REAL; scalar; INTENT(IN).

Intrinsic groups: unix.

Description:

Calculates the Bessel function of the first kind of order 1 of X. See bessel(3m), on whose implementation the function depends.

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