def Sigmoid():
r"""Returns a layer that computes the sigmoid function.
.. math::
f(x) = \frac{1}{1 + e^{-x}}
"""
return Fn('Sigmoid', lambda x: math.expit(x))
def Sigmoid():
return Fn('Sigmoid', lambda x: math.expit(x))
def Sigmoid(x):
return math.expit(x)
def Sigmoid(x, **unused_kwargs):
return math.expit(x)