Both the math
and cmath
-module contain the Euler number: e and using it with the builtin pow()
-function or **
-operator works mostly like math.exp()
:
import math
math.e ** 2 # 7.3890560989306495
math.exp(2) # 7.38905609893065
import cmath
cmath.e ** 2 # 7.3890560989306495
cmath.exp(2) # (7.38905609893065+0j)
However the result is different and using the exponential function directly is more reliable than builtin exponentiation with base math.e
:
print(math.e ** 10) # 22026.465794806703
print(math.exp(10)) # 22026.465794806718
print(cmath.exp(10).real) # 22026.465794806718
# difference starts here ---------------^