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Applies to: ✅ Azure Data Explorer ✅ Azure Monitor ✅ Microsoft Sentinel
The natural logarithm is the base-e logarithm: the inverse of the natural exponential function (exp).
Syntax
log(number)
Learn more about syntax conventions.
Parameters
| Name | Type | Required | Description |
|---|---|---|---|
| number | real |
✔️ | The number for which to calculate the logarithm. |
Returns
log()returns the natural logarithm of the input.nullif the argument is negative or null or can't be converted to arealvalue.
Example
print result=log(5)
Output
| result |
|---|
| 1.6094379124341003 |