bessel_j0(3f) - [FORTRAN:INTRINSIC:MATHEMATICS] Bessel function of the first kind of order 0
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result = bessel_j0(x)
bessel_j0(x) computes the [[Bessel function]] of the first kind of order 0 of X.
X - The type shall be REAL.
The return value is of type REAL and lies in the range -0.4027 <= Bessel(0,x) <= 1. It has the same kind as X.
Sample program:
program demo_besj0 real(8) :: x = 0.0_8 x = bessel_j0(x) end program demo_besj0
[[Fortran 2008]] and later
[[Elemental procedure|Elemental function]]
[[bessel_j1]], [[bessel_jn]], [[bessel_y0]], [[bessel_y1]], [[bessel_yn]]
bessel_j0 (3) | March 18, 2019 |