How can I use e Euler s number and power operation in python 2 7

Question

How can i write x append 1-e  -value1 2 2 value2 2   in python 2 7   I don t know how to use power operator and e

User · Accepted Answer

You can use exp x  function of math library  which is same as e x  Hence you may write your code as  import math x append 1 - math exp  -0 5    value1 value2   2    I have modified the equation by replacing 1 2 as 0 5  Else for Python  lt 2 7  we ll have to explicitly type cast the division value to float because Python round of the result of division of two int as integer  For example  1 2 gives 0 in python 2 7 and below

User · Answer

Python s power operator is    and Euler s number is math e  so    from math import e  x append 1-e   -value1  2 2 value2  2

User · Answer

math e      or from math import e     2 718281     The two expressions math exp x  and e  x are equivalent however  Return e raised to the power x  where e   2 718281    is the base of natural logarithms  This is usually more accurate than math e    x or pow math e  x   docs python for power use     3  2   9    not  quot     quot   quot     quot  is a bitwise XOR operator   amp  and    or   it works logicaly with bits  So for example 10 4 14  maybe unexpectedly    consider the bitwise depiction   0000 1010   0000 0100   0000 1110   programiz

User · Answer

Just saying  numpy has this too  So no need to import math if you already did import numpy as np    gt  gt  gt  np exp 1  2 718281828459045

User · Answer

Power is    and e  is math exp   x append 1 - math exp -0 5    value1 value2   2

[python] How can I use "e" (Euler's number) and power operation in python 2.7

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