InfluxDB Docs

math.jn() function

The math.jn() function returns the order-n Bessel function of the first kind.

Output data type: Float

import "math"

math.jn(n: 2, x: 1.23)

// Returns 0.16636938378681407

Parameters

n

The order number.

Data type: Integer

x

The value used in the operation.

Data type: Float

Special cases

math.jn(n:n, x: ±Inf) // Returns 0
math.jn(n:n, x: NaN)  // Returns NaN