Python math.log() Method
Example
Find the natural logarithm of different numbers
# Import math Library
import math
# Return the natural logarithm
of different numbers
print(math.log(2.7183))
print(math.log(2))
print(math.log(1))
Try it Yourself »
Definition and Usage
The math.log() method returns the natural logarithm of a number, or the logarithm of number to base.
Syntax
math.log(x, base)
Parameter Values
| Parameter | Description |
|---|---|
| x | Required. Specifies the value to calculate the logarithm for. If the value is 0 or a negative number, it returns a ValueError. If the value is not a number, it returns a TypeError |
| base | Optional. The logarithmic base to use. Default is 'e' |
Technical Details
| Return Value: | A float value, representing the natural logarithm of a number, or the logarithm of number to base |
|---|---|
| Python Version: | Changed in version 2.3 |
| Change Log: | The base parameter was added |
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