Documentation

math.yn() function

math.yn() returns the order-n Bessel function of the second kind.

Function type signature
(n: int, x: float) => float
For more information, see Function type signatures.

Parameters

n

(Required) Order number to use in the operation.

x

(Required) Value to operate on.

Examples

Return the order-n Bessel function of a value

import "math"

math.yn(n: 3, x: 3.14)// -0.4866506930335083

Use math.yn in map

import "math"

data
    |> map(fn: (r) => ({_time: r._time, _value: math.yn(n: r.n, x: r.x)}))

View example input and output


Was this page helpful?

Thank you for your feedback!


Linux Package Signing Key Rotation

All signed InfluxData Linux packages have been resigned with an updated key. If using Linux, you may need to update your package configuration to continue to download and verify InfluxData software packages.

For more information, see the Linux Package Signing Key Rotation blog post.