{{alias}}( x ) Computes the Bessel function of the first kind of order one. Parameters ---------- x: number Input value. Returns ------- y: number Function value. Examples -------- > var y = {{alias}}( 0.0 ) 0.0 > y = {{alias}}( 1.0 ) ~0.440 > y = {{alias}}( {{alias:@stdlib/constants/float64/pinf}} ) 0.0 > y = {{alias}}( {{alias:@stdlib/constants/float64/ninf}} ) 0.0 > y = {{alias}}( NaN ) NaN See Also --------