Python math.expm1() Method
Example
Find the exponential value of a number - 1:
#Import math Library
import math
#Return the exponential value of
a number - 1
print(math.expm1(32))
print(math.expm1(-10.89))
Try it Yourself »
Definition and Usage
The math.expm1() method returns Ex - 1.
'E' is the base of the natural system of logarithms (approximately 2.718282) and x is the number passed to it.
This function is more accurate than calling
math.exp() and subtracting 1.
Syntax
math.expm1(x)
Parameter Values
| Parameter | Description |
|---|---|
| x | Required. Specifies the exponent |
Technical Details
| Return Value: | A float value, representing Ex - 1 |
|---|---|
| Python Version: | 2.7 |
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