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sethbunke/tanh-and-tanh-derivative.txt

Created May 8, 2017 22:26
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tanh and tanh derivative
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tanh-and-tanh-derivative.txt
def tanh(x):
return (1.0 - numpy.exp(-2*x))/(1.0 + numpy.exp(-2*x))
def tanh_derivative(x):
return (1 + tanh(x))*(1 - tanh(x))
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