Documentation

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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