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)}))
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