



"""simple docstring"""






import numpy as np






def 	snake_case_  (				A_ :		np.ndarray						):


       '''simple docstring'''





       return 1 / (1 + np.exp(-vector						))






def 	snake_case_  (				A_ :		np.ndarray						):


       '''simple docstring'''





       return vector * sigmoid(A_						)


if __name__ == "__main__":
  import doctest

  doctest.testmod()







"""simple docstring"""






def 	snake_case_  (				A_ :		float						):


       '''simple docstring'''





       if edge <= 0 or not isinstance(A_,    A_						):
              raise ValueError('''Length must be a positive.'''						)
       return 3 * ((25 + 10 * (5 ** (1 / 2))) ** (1 / 2)) * (edge**2)






def 	snake_case_  (				A_ :		float						):


       '''simple docstring'''





       if edge <= 0 or not isinstance(A_,    A_						):
              raise ValueError('''Length must be a positive.'''						)
       return ((15 + (7 * (5 ** (1 / 2)))) / 4) * (edge**3)


if __name__ == "__main__":
   import doctest

   doctest.testmod()


