docs-v2/content/influxdb/cloud/reference/flux/stdlib/math/log.md

title	description	aliases	menu	weight
math.log() function	The math.log() function returns the natural logarithm of `x`.	/influxdb/cloud/reference/flux/functions/math/log/	influxdb_cloud_ref name parent math.log Math	301

The math.log() function returns the natural logarithm of x.

Output data type: Float

import "math"

math.log(x: 3.14)

// Returns 1.144222799920162

Parameters

x

The value used in the operation.

Data type: Float

Special cases

math.log(x: +Inf) // Returns +Inf
math.log(x: 0)    // Returns -Inf
math.log(x: <0)   // Returns NaN
math.log(x: NaN)  // Returns NaN