docs-v2/content/v2.0/reference/flux/functions/math/y1.md

title	description	menu	weight
math.y1() function	The math.y1() function returns the order-one Bessel function of the second kind.	v2_0_ref name parent math.y1 Math	301

The math.y1() function returns the order-one Bessel function of the second kind.

Output data type: Float

import "math"

math.y1(x: 3.14)

// Returns 0.35853138083924085

Parameters

x

The value used in the operation.

Data type: Float

Special cases

math.y1(x: +Inf) // Returns 0
math.y1(x: 0)    // Returns -Inf
math.y1(x: <0)   // Returns NaN
math.y1(x: NaN)  // Returns NaN