log()

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).

log(number)

Learn more about syntax conventions.

• log() returns the natural logarithm of the input.
• null if the argument is negative or null or can't be converted to a real value.

print result=log(5)

Output

• For common (base-10) logarithms, see log10().
• For base-2 logarithms, see log2().