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Python math.ldexp() Method

❮ Math Methods

Example

Return value of x * (2**i):

#Import math Library
import math

#Return value of x * (2**i)
print(math.ldexp(9, 3))
print(math.ldexp(-5, 2))
print(math.ldexp(15, 2))
Try it Yourself »

Definition and Usage

The math.ldexp() method returns  x * (2**i) of the given numbers x and i, which is the inverse of math.frexp().

Syntax

math.ldexp(x, i)

Parameter Values

Parameter Description
x Required. A positive or negative number. If the value is not a number, it returns TypeError
i Required. A positive or negative number. If the value is not a number, it returns TypeError

Technical Details

Return Value: The value of x * (2**i)
Python Version: 2.6

❮ Math Methods