log

Returns the natural (base-e) logarithm of the input.

Spec

log(arg0)

Parameters

arg0 - A numeric value.

Return Value

The natural logarithm of arg0 as a double.

Example

datatable(val:double)[1.0, 2.718281828]
| extend result = log(val)

val	result
1.0	0.0
2.718281828	0.9999999998311266