docs-v2/content/influxdb/cloud/reference/flux/stdlib/math/j0.md

title	description	aliases	menu	weight
math.j0() function	The math.j0() function returns the order-zero Bessel function of the first kind.	/influxdb/cloud/reference/flux/functions/math/j0/	influxdb_cloud_ref name parent math.j0 Math	301

The math.j0() function returns the order-zero Bessel function of the first kind.

Output data type: Float

import "math"

math.j0(x: 1.23)

// Returns 0.656070571706025

Parameters

x

The value used in the operation.

Data type: Float

Special cases

math.j0(x: ±Inf) // Returns 0
math.j0(x: 0)    // Returns 1
math.j0(x: NaN)  // Returns NaN