Python math.log1p() Method

Example

Find the log(1+number) for different numbers

# Import math Library
import math

# Return the log(1+number) for different numbers
print(math.log1p(2.7183))
print(math.log1p(2))
print(math.log1p(1))

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Definition and Usage

The math.log1p() method returns log(1+number), computed in a way that is accurate even when the value of number is close to zero.

Syntax

math.log1p(x)

Parameter Values

Parameter	Description
x	Required. Specifies the number to process. If the value is a negative number, it returns a ValueError. If the value is not a number, it returns a TypeError

Technical Details

Return Value:	A `float` value, representing the log value of 1+number
Python Version:	2.6

❮ Math Methods