math.log() function
math.log() returns the natural logarithm of x.
Function type signature
(x: float) => float
For more information, see Function type signatures.
Parameters
x
(Required) Value to operate on.
Examples
Return the natural logarithm of a value
import "math"
math.log(x: 3.14)// 1.144222799920162
Use math.log in map
import "sampledata"
import "math"
sampledata.float()
|> map(fn: (r) => ({r with _value: math.log(x: r._value)}))
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