math.jn() function
math.jn() returns the order-n Bessel function of the first kind.
Function type signature
(n: int, x: float) => float
For more information, see Function type signatures.
Parameters
n
(Required) Order number.
x
(Required) Value to operate on.
Examples
Return the order-n Bessel function of a value
import "math"
math.jn(n: 2, x: 1.23)// 0.16636938378681407
Use math.jn in map
import "sampledata"
import "math"
sampledata.float()
|> map(fn: (r) => ({r with _value: math.jn(n: 4, x: r._value)}))
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